AMERICAN CENTURY INVESTMENT TRUST
N-14/A, 1998-05-19
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                                       N14
                            Pre-Effective Amendment

      As filed with the Securities and Exchange Commission on May 19, 1998


            1933 Act File No. 333-50405; 1940 Act File No. 811-7822
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                    FORM N-14

                  REGISTRATION UNDER THE SECURITIES ACT OF 1933

                      Pre-Effective Amendment No. __1__ [X]
                      Post-Effective Amendment No. ____ [ ]

- --------------------------------------------------------------------------------

                        AMERICAN CENTURY INVESTMENT TRUST
               (Exact Name of Registrant as Specified in Charter)

                                4500 Main Street,
                                 P.O. Box 419200
                           Kansas City, MO 64141-6200
                    (Address of Principal Executive Offices)

        Registrant's Telephone Number, including Area Code: 816-531-5575

                             Charles A. Etherington
                  Vice President and Assistant General Counsel
          4500 Main Street, P.O. Box 419200, Kansas City, MO 64141-6200
                     (Name and Address of Agent for Service)

Approximate Date of Proposed Public Offering:  As soon as practicable after this
Registration Statement becomes effective under the Securities Act of 1933.

Calculation of Registration  Fee under the Securities Act of 1933: No filing fee
is  required  because  an  indefinite  number of  shares  have  previously  been
registered on Form N-1A (Registration Nos. 33-65170,  811-7822) pursuant to Rule
24f-2 under the  Investment  Company Act of 1940. The Registrant is filing as an
exhibit to this  Registration  Statement  an opinion  related to the legality of
shares being issued in connection with this Registration Statement.  Pursuant to
Rule 429, this  Registration  Statement  relates to the  aforesaid  Registration
Statement on Form N-1A.
<PAGE>
<TABLE>
<CAPTION>
                        AMERICAN CENTURY INVESTMENT TRUST
                                    FORM N-14
                              CROSS REFERENCE SHEET
                             PURSUANT TO RULE 481(a)
<S>     <C>                                                  <C>
         Part A Item No.                                      Prospectus/Proxy
         and Caption                                          Statement Caption

1.       Beginning of Registration Statement and              Cover Page
         Outside Front Cover Page of Prospectus

2.       Beginning and Outside Back Cover Page of             Table of Contents
         Prospectus

3.       Fee Table, Synopsis Information and Risk             Important Information You Should
         Factors                                              Consider; Comparison of Certain
                                                              Information Regarding the Funds; Risk Factors; Transaction and
                                                              Operating Expense Information; Information About the Funds

4.       Information About the Transaction                    Important Information You Should
                                                              Consider; Risk Factors; Additional
                                                              Information Relating to the Proposed
                                                              Transaction; Information About the Funds


5.       Information About the Registrant                     Important Information You Should
                                                              Consider; Comparison of Certain
                                                              Information Regarding the Funds; Risk
                                                              Factors; Information About the Funds;
                                                              Additional Information

6.       Information About the Company Being Acquired         Important Information You Should
                                                              Consider; Comparison of Certain
                                                              Information Regarding the Funds; Risk
                                                              Factors; Information About the Funds;
                                                              Additional Information

7.       Voting Information                                   Important Information You Should
                                                              Consider; Information Relating to Voting
                                                              Matters

8.       Interest of Certain Persons and Experts              Information Relating To Voting Matters

9.       Additional Information Required for Reoffering       Not applicable
         by Persons Deemed to be Underwriters


Part B

10.      Cover Page                                           Statement of Additional Information Cover
                                                              Page

11.      Table of Contents                                    Table of Contents

12.      Additional Information About the Registrant          Statement of Additional Information of
                                                              Prime

13.      Additional Information About the Company             Statements of Additional Information of
         Being Acquired                                       Cash Reserve

14.      Financial Statements                                 Pro Forma Financial Statements

Part C

Information required to be included in Part C is set forth under the appropriate
item, so numbered, in Part C of this Registration Statement.
</TABLE>
<PAGE>
   
                         [american century logo(reg.sm)]
                                    American
                                 Century(reg.tm)

                                 Prospectus and
                                 Proxy Statement

                                  JUNE 8, 1998

                      Important Voting Information Inside!




                               TABLE OF CONTENTS

LETTER FROM THE CHIEF EXECUTIVE OFFICER ...................................    1
IMPORTANT INFORMATION YOU SHOULD CONSIDER .................................    3
NOTICE OF SPECIAL MEETING OF SHAREHOLDERS .................................    6
COMBINED PROSPECTUS/PROXY STATEMENT .......................................    8
COMPARISON OF CERTAIN INFORMATION REGARDING THE FUNDS .....................    9
   Risk Factors ...........................................................   10
TRANSACTION AND OPERATING EXPENSE INFORMATION .............................   10
ADDITIONAL INFORMATION ABOUT THE PROPOSED TRANSACTION .....................   12
      Summary of Plan of Reorganization ...................................   12
      Description of the Securities of Prime ..............................   13
      Reasons Supporting the Reorganization ...............................   14
      Federal Income Tax Consequences .....................................   14
      Capitalization ......................................................   15
INFORMATION ABOUT THE FUNDS ...............................................   15
      Prime and Cash Reserve ..............................................   16
      Fundamental Investment Restrictions .................................   17
INFORMATION RELATING TO VOTING MATTERS ....................................   17
      General Information .................................................   17
      Voting and Revocation of Proxies ....................................   17
      Record Date .........................................................   18
      Quorum ..............................................................   18
      Shareholder Vote Required ...........................................   18
      Cost of Proxy Solicitation ..........................................   19
      Certain Shareholders ................................................   19
      Appraisal Rights ....................................................   19
      Annual Meetings .....................................................   20
ADDITIONAL INFORMATION ....................................................   20
   Litigation .............................................................   20
   Financial Statements ...................................................   20
   Other Business .........................................................   21
   Shareholder Inquiries ..................................................   21
MANAGEMENT'S DISCUSSION OF FUND PERFORMANCE ...............................   22
   Report Highlights ......................................................   22
   Prime Money Market .....................................................   22


        TABLE OF CONTENTS                 AMERICAN CENTURY INVESTMENTS


                                LETTER FROM THE
                            CHIEF EXECUTIVE OFFICER

                         American Century Investments
                               4500 Main Street
                          Kansas City, Missouri 64111
                                1-800-345-2021
    
                                 June 8, 1998

Dear American Century-Benham Cash Reserve Fund Shareholder:

   I am writing to ask for your support of an important  proposal affecting your
fund.  The  proposal  will  be  voted  on  at an  upcoming  Special  Meeting  of
Shareholders  to be held  Friday,  August 7, 1998.  Please take a few minutes to
read the enclosed materials, complete and sign the proxy voting card and mail it
back to us.

   As a shareholder of American  Century-Benham Cash Reserve Fund, you are being
asked to approve the combination of your fund with American Century-Benham Prime
Money Market Fund.

   
   The reason for the  combination  is that the funds are very  similar,  as you
will see by reading the enclosed  materials.  Each fund was started prior to the
1995 combination of the Benham and Twentieth Century mutual fund families.  As a
result of that combination,  American Century has two substantially similar fund
offerings.  We  believe  it will be more  efficient  to manage a single,  larger
portfolio  of assets.  In  addition,  combining  these  similar  funds will help
eliminate customer confusion regarding which fund to choose.

   The Board of  Directors of your fund has  unanimously  voted in favor of this
reorganization  and  believes  the  combination  is in the  fund's and your best
interests.  We  encourage  you to vote "FOR" the  reorganization.  The  enclosed
materials give more detailed  information about the proposed  reorganization and
the reasons why we recommend you vote for it.
    


PROXY STATEMENT                      LETTER FROM THE CHIEF EXECUTIVE OFFICER  1


   
   If you lead a busy  life,  you're  probably  tempted  to put these  materials
aside,  having the best  intentions  to return to them at another  time.  PLEASE
DON'T DO THAT. If shareholders don't return their proxies,  additional  expenses
must be incurred to pay for  follow-up  mailings and phone calls.  PLEASE TAKE A
FEW MINUTES TO REVIEW THE ENCLOSED MATERIALS AND SIGN AND RETURN YOUR PROXY CARD
TODAY. If you have any questions or need any help in voting your shares,  please
call us at 1-800-345-2021 weekdays from 7 a.m. to 7 p.m. Central time.

   To more efficiently handle this proxy solicitation, we have hired D.F. King &
Co.,  Inc. to act as our proxy  solicitor.  They might be calling you during the
solicitation  process to answer  your  questions  or  concerns  about the voting
process and to assist you with your vote.

   I appreciate  you taking the time to consider  this  important  proposal.  We
believe the reorganization  will enable us to better serve your needs. Thank you
for investing with American Century and for your continued support.
    

                              Sincerely,
                              /s/James E. Stowers III
                              James E. Stowers III
                              Chief Executive Officer


2   PROXY STATEMENT                                AMERICAN CENTURY INVESTMENTS


                             IMPORTANT INFORMATION
                              YOU SHOULD CONSIDER

   The  following  Q&A is a brief  summary  of some of the  issues  that  may be
important  to you.  As is  true  with  all  summaries,  however,  not all of the
information  or topics that you may think are important  will be included.  As a
result,  this Q&A is qualified in its entirety by the more detailed  information
contained elsewhere in this document, or incorporated into this document. Please
read all the enclosed proxy  materials  before voting.  PLEASE  REMEMBER TO VOTE
YOUR SHARES AS SOON AS POSSIBLE. If enough shareholders return their proxy cards
soon, additional costs for follow-up mailings and phone calls may be avoided.

   WHAT IS THE PURPOSE OF THE UPCOMING MEETING?

   
   Your Board of Directors has recommended merging Cash Reserve into Prime. This
combination requires shareholder  approval.  The meeting will be held on Friday,
August 7, 1998, at 10 a.m.  Central time at American Century  Investments,  4500
Main Street,  Kansas City,  Missouri.  Shareholders of record as of the close of
business on May 15, 1998, are eligible to vote.

   WHY IS THE REORGANIZATION BEING PROPOSED?

   The  reorganization  seeks to improve  operational and investment  management
efficiencies  by  combining  funds  with  identical  investment  objectives  and
substantially similar investment policies, approaches,  procedures and portfolio
securities.  Combining  these  similar funds also will help  eliminate  customer
confusion regarding which fund to choose.

   HOW WILL THE REORGANIZATION BE ACCOMPLISHED?

   Shareholders  of Cash Reserve are being asked to approve the  combination  of
their fund with  Prime  pursuant  to the  Agreement  and Plan of  Reorganization
described on pages 12-13. The reorganization will take the form of a transfer of
assets by Cash  Reserve in  exchange  for  shares of Prime.  Cash  Reserve  will
distribute the shares it receives to its shareholders.

   WHAT WILL I GET IF THE REORGANIZATION IS APPROVED?

   As a result of the liquidating distribution, you will receive shares of Prime
in an amount equal to the value of your shares on the date the combination takes
place (probably  August 29). Since both funds seek to maintain a $1.00 net asset
value (price per share),  the net asset value of the funds should be the same on
the merger date.  As a result,  you should  receive the same number of shares of
Prime as you have in Cash Reserve, and the TOTAL VALUE of your account after the
reorganization WILL BE THE SAME as before the reorganization.


PROXY STATEMENT                    IMPORTANT INFORMATION YOU SHOULD CONSIDER  3


   WHY DID THE BOARD OF DIRECTORS APPROVE THE REORGANIZATION?

   After reviewing many factors, your Board of Directors unanimously  determined
that  the  reorganization  was in the best  interests  of Cash  Reserve  and its
shareholders. Some of the factors considered include:

    *  the management fees of the funds are the same;

    *  the funds' investment objectives and policies are substantially
       similar;

    *  combining the funds will enable the manager to achieve management and
       operational efficiencies;

    *  the funds have the same investment advisor and portfolio
       management team; and

    *  the funds are currently being managed in substantially the same manner.

   WILL THE EXCHANGE  FOR SHARES OF PRIME CAUSE ME TO REALIZE  INCOME OR CAPITAL
GAINS FOR FEDERAL TAX PURPOSES?

   No. The exchange of shares in the  reorganization  will be tax free.  We will
obtain a tax opinion  confirming that the  reorganization  will not be a taxable
event for you for federal income tax purposes. Your tax basis and holding period
for your shares will be unchanged.

   HOW DO THE FEE STRUCTURE AND TOTAL EXPENSE RATIO OF PRIME COMPARE TO THOSE OF
CASH RESERVE?

   The fees and total expense ratios of the funds are the same.

   IS PRIME RISKIER THAN CASH RESERVE?

   No.  Both are money  market  funds  with  substantially  the same  investment
policies, procedures and strategies.

   HOW DO I VOTE MY SHARES?

   You can vote by mail, phone, fax or in person at the Special Meeting.

   * To vote by mail, complete,  sign and mail the enclosed proxy voting card to
     us in the postage-paid envelope provided.

   * You can fax your vote by signing  the proxy  voting  card and  faxing  both
     sides of the card to 1-888-796-9932.

   * D.F.  King & Co.,  our  proxy  solicitor,  can  accept  your  vote over the
     phone--simply call 1-800-488-8095.
    
   Your shares will be voted EXACTLY as you tell us. If you simply sign the card
and return it, we will follow the  recommendation of your Board of Directors and
vote it "FOR" the reorganization.  You may also vote in person at the meeting on
August 7, 1998.


4   IMPORTANT INFORMATION YOU SHOULD CONSIDER     AMERICAN CENTURY INVESTMENTS


   
   IF I SEND MY PROXY IN NOW AS REQUESTED, CAN I CHANGE MY VOTE LATER?

   Yes.  A proxy can be  revoked  at any time by  writing  to us, by  sending us
another proxy or by attending the meeting and voting in person. Even if you plan
to attend the  meeting to vote in  person,  we ask that you return the  enclosed
proxy. Doing so will help us achieve a quorum for the meeting.

   WHEN AND HOW WILL THE COMBINATION TAKE PLACE?

   Subject to receiving shareholder approval,  the reorganization is expected to
take place on August 29,  1998.  After the funds  have  calculated  the value of
their assets and liabilities on August 28, Cash Reserve will transfer its assets
and liabilities to Prime in exchange for the appropriate number of Prime shares.
Cash Reserve will then make a liquidating  distribution of those shares pro rata
to its shareholders  according to the value of their accounts  immediately prior
to the transfer of assets. THE VALUE OF YOUR ACCOUNT WILL NOT CHANGE AS A RESULT
OF THIS REORGANIZATION.
    

   WILL THE REORGANIZATION AFFECT THE MANAGEMENT TEAM OF CASH RESERVE?

   No. The portfolio  managers of Cash Reserve also serve as portfolio  managers
for Prime.

   HOW WILL THE  DISTRIBUTION,  PURCHASE AND REDEMPTION  PROCEDURES AND EXCHANGE
RIGHTS CHANGE AS A RESULT OF THE REORGANIZATION?

   
   They  won't.  Prime  has the  same  distribution,  purchase,  redemption  and
exchange policies and procedures as Cash Reserve.

   WHERE CAN I GET MORE INFORMATION ABOUT THE FUNDS?

   A copy of Prime's Prospectus  accompanies this Proxy Statement.  In addition,
the Manager's  Discussion  and Analysis of Fund  Performance  portion of Prime's
most recent Annual Report to  Shareholders  is included in this document on page
22. If you  would  like a copy of Cash  Reserve's  Prospectus  or either  fund's
Statement of Additional Information, or most recent Annual or Semiannual Report,
please call an Investor Services Representative at 1-800-345-2021.
    


PROXY STATEMENT                    IMPORTANT INFORMATION YOU SHOULD CONSIDER  5


                           NOTICE OF SPECIAL MEETING
                                OF SHAREHOLDERS

                      AMERICAN CENTURY MUTUAL FUNDS, INC.

   
                         American Century Investments
                               4500 Main Street
                               P. O. Box 419200
                       Kansas City, Missouri 64141-6200
                                1-800-345-2021
    

                         TO BE HELD ON AUGUST 7, 1998

To American Century-Benham Cash Reserve shareholders:

   
   NOTICE IS HEREBY  GIVEN  that a Special  Meeting of the  Shareholders  of the
American  Century-Benham  Cash  Reserve  Fund ("Cash  Reserve"),  a portfolio of
American   Century  Mutual  Funds,   Inc.  will  be  held  at  American  Century
Investments,  4500 Main Street, Kansas City, Missouri on Friday, August 7, 1998,
at 10 a.m. Central time for the following purposes:
    

   1. To consider  and act upon a proposal to approve an  Agreement  and Plan of
      Reorganization and the transactions contemplated thereby, includ

     (a)  the transfer of  substantially  all of the assets and  liabilities  of
          Cash  Reserve to the American  Century-Benham  Prime Money Market Fund
          ("Prime"),  an  investment  portfolio of American  Century  Investment
          Trust,  in exchange for shares in Prime (as  described in the attached
          proxy statement); and

     (b)  the distribution of Prime's shares to the shareholders of Cash Reserve
          according to their respective interests.

   2. To transact  such other  business as may properly  come before the Special
      Meeting or any adjournment(s) thereof.

   The proposed  reorganization,  the Agreement and Plan of  Reorganization  and
related  matters  are  described  in  the  attached  Combined   Prospectus/Proxy
Statement.

   Shareholders  of record  as of the close of  business  on May 15,  1998,  are
entitled to notice of, and to vote at, the Special Meeting or any adjournment(s)
thereof.


6   NOTICE OF SPECIAL MEETING OF SHAREHOLDERS     AMERICAN CENTURY INVESTMENTS


   
   WE  URGE  YOU TO  MARK,  SIGN,  DATE  AND  MAIL  THE  ENCLOSED  PROXY  IN THE
POSTAGE-PAID ENVELOPE PROVIDED SO YOU WILL BE REPRESENTED AT THE MEETING.

   The  Board  of  Directors   recommends  that  you  cast  your  vote  FOR  the
reorganization.

                             BY ORDER OF THE BOARD OF DIRECTORS
    

                             Patrick A. Looby
                             Secretary

   
                             June 8, 1998
    


PROXY STATEMENT                  NOTICE OF SPECIAL MEETING OF SHAREHOLDERS    7


                             COMBINED PROSPECTUS/
                                PROXY STATEMENT

                      AMERICAN CENTURY MUTUAL FUNDS, INC.
                       AMERICAN CENTURY INVESTMENT TRUST

                                 June 8, 1998

   
   This Combined Prospectus/Proxy  Statement is furnished in connection with the
solicitation  of votes by the Board of  Directors  of  American  Century  Mutual
Funds,  Inc. on behalf of its Cash Reserve Fund,  in  connection  with a Special
Meeting of Shareholders to be held on Friday, August 7, 1998, at 10 a.m. Central
time at American Century Investments, 4500 Main Street, Kansas City, Missouri.
    

   At the Special  Meeting,  shareholders  of the American  Century-Benham  Cash
Reserve  Fund ("Cash  Reserve")  are being asked to approve the  combination  of
their fund into the American Century-Benham Prime Money Market Fund ("Prime"), a
series of American Century Investment Trust.

   The funds are  similarly  managed  diversified,  open-end  mutual  funds that
invest  in a  similar  mix  of  fixed  income  securities.  The  purpose  of the
reorganization  is  to  achieve  management  and  operational   efficiencies  by
combining  these  similar  funds.  Each  fund  has  shares  registered  with the
Securities and Exchange Commission.

   
   This Combined  Prospectus/Proxy  Statement constitutes the Proxy Statement of
your fund for the Special Meeting of Shareholders and a prospectus for the Prime
shares that are to be issued to you in connection with the reorganization. It is
intended  to give  you the  information  you  need to  consider  and vote on the
proposed reorganization. You should retain this document for future reference. A
Prospectus  and  Statement of Additional  Information,  each dated June 1, 1998,
about Prime have been filed with the Commission and are  incorporated  into this
document by reference.  A copy of the Prospectus  accompanies  this document.  A
copy of the Statement of Additional  Information may be obtained  without charge
upon  request by calling or  writing to us at the  address or  telephone  number
below.
    

   The  principal  executive  offices of Cash  Reserve  and Prime are located at
American Century Investments,  4500 Main Street, P. O. Box 419200,  Kansas City,
Missouri 64141-6200. The funds' telephone number is 1-800-345-2021.

   The  information  contained in this  Combined  Prospectus/Proxy  Statement is
required by rules of the Securities and Exchange  Commission,  and some of it is
highly technical. If you have any questions about these materials or how to vote
your shares, please call us at 1-800-345-2021.


8   COMBINED PROSPECTUS/PROXY STATEMENT            AMERICAN CENTURY INVESTMENTS


   
   LIKE ALL MUTUAL FUND SHARES,  THE  SECURITIES OF PRIME HAVE NOT BEEN APPROVED
OR DISAPPROVED BY THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
COMMISSION,  NOR  HAS  THE  SECURITIES  AND  EXCHANGE  COMMISSION  OR ANY  STATE
SECURITIES  COMMISSION  PASSED ON THE  ADEQUACY  OR  ACCURACY  OF THIS  COMBINED
PROSPECTUS/PROXY  STATEMENT.  ANY  REPRESENTATION  TO THE CONTRARY IS A CRIMINAL
OFFENSE.  INVESTMENTS  IN  PRIME  ARE NOT  INSURED  OR  GUARANTEED  BY THE  U.S.
GOVERNMENT OR ANY OTHER AGENCY. THERE IS NO ASSURANCE THAT THE FUND WILL BE ABLE
TO MAINTIAN A $1.00 SHARE PRICE.
    

   No  person  has  been  authorized  to give  any  information  or to make  any
representations  other than those  contained in this  Combined  Prospectus/Proxy
Statement and in the materials expressly  incorporated  herein by reference.  If
given or made, such other information or representations must not be relied upon
as having been  authorized  by Cash  Reserve,  Prime or anyone  affiliated  with
American Century Investments.

   PLEASE  NOTE THAT THE  SPECIAL  MEETING  OF  SHAREHOLDERS  WILL BE A BUSINESS
MEETING ONLY AND IS NOT A SHAREHOLDER SEMINAR.


                       COMPARISON OF CERTAIN INFORMATION
                              REGARDING THE FUNDS

   
   The  following  chart  is  provided  to  show a  comparison  of  certain  key
attributes  of Cash  Reserve and Prime.  For  additional  information  about the
funds, see the section titled "Information About the Funds" starting on page 15.
    

                       CASH RESERVE                  PRIME
- --------------------------------------------------------------------------------
Type of Fund           Money Market Fund             Money Market Fund

Investment             Seeks to obtain maximum       Seeks the highest level
Objective              current income consistent     of current income
                       with the preservation of      consistent with
                       principal and maintenance     preservation
                       of liquidity                  of capital

Investment             Pursues its objective         Pursues its objective
Policies               by investing in money         by investing in money
                       market instruments and        market instruments and
                       other short-term              other short-term
                       obligations of banks,         obligations of banks,
                       corporations and              corporations and
                       governments                   governments

Weighted Average       90 days                       90 days
Portfolio Maturity

Credit Quality         Highest quality               Highest quality
                       securities only               securities only

Investor Class         0.60%                         0.60%
Total Expense
Ratio

Advisor Class          0.85%                         0.85%
Total Expense
Ratio


PROXY STATEMENT      COMPARISON OF CERTAIN INFORMATION REGARDING THE FUNDS    9


                       CASH RESERVE                  PRIME
- --------------------------------------------------------------------------------
Distribution Policy    Same as Prime                 Dividends declared
                                                     daily, paid monthly

   
Purchases and          Same as Prime                 See pages 11-13,
Exchanges                                            Investor Class Advisor
                                                     prospectus, page 11,
                                                     Class prospectus
    

Redemption             Same as Prime                 See page 13, Investor
Policies                                             Class prospectus,
                                                     page 11, Advisor
                                                     Class prospectus

Investment             American Century              ACIM
Advisor                Investment Management,
                       Inc. ("ACIM")

Transfer Agent         American Century              American Century
                       Services Corporation          Services Corporation

Distributor            Funds Distributor, Inc.       Funds Distributor, Inc.

Custodian              Chase Manhattan Bank          Chase Manhattan Bank

Independent            Deloitte & Touche LLP         Coopers & Lybrand
Auditors

RISK FACTORS

   
   Because  each of the  funds  has the same  investment  objective  and  shares
substantially similar investment policies, approaches and procedures, your Board
of Directors does not believe that the  reorganization  exposes  shareholders of
Cash  Reserve  to any  new or  different  risks  than  they  are  exposed  to as
shareholders  of  Cash  Reserve.  For a  discussion  of the  various  investment
policies,   approaches  and  procedures  of  Prime,  and  the  risks  associated
therewith,  please see the accompanying  Investor Class prospectus  beginning on
page 7, or the Advisor Class prospectus beginning on page 7.
    


                             TRANSACTION AND
                     OPERATING EXPENSE INFORMATION

   
   The following tables compare various shareholder  transaction and annual fund
operating  expenses  of Cash  Reserve  as of its  most  recent  fiscal  year end
(October 31, 1997) and Prime as of its most recent fiscal year end (February 28,
1998). After the  reorganization,  the expense levels of the surviving fund will
be the same as those shown for Prime.
    


10   TRANSACTION AND OPERATING EXPENSE INFORMATION  AMERICAN CENTURY INVESTMENTS


                                                          Cash
                                                         Reserve        Prime
- --------------------------------------------------------------------------------
SHAREHOLDER TRANSACTION EXPENSES:
Maximum Sales Load
  Imposed on Purchases                                    none          none
Maximum Sales Load
  Imposed on
  Reinvested Dividends                                    none          none
Deferred Sales Load                                       none          none
Redemption Fee                                           none(1)       none(1)
Exchange Fee                                              none          none

ANNUAL FUND OPERATING EXPENSES - INVESTOR CLASS (as a percentage of net assets):
Management Fees                                           0.60%         0.60%
12b-1 Fees                                                none          none
Other Expenses                                          0.00%(2)      0.00%(2)
Total Fund Operating Expenses                             0.60%         0.60%

EXAMPLE:
You would pay the following expenses      1 year          $ 6            $ 6
on a $1,000 investment, assuming a        3 years          19            19
5% annual return and redemption           5 years          33            33
at the end of each time period.          10 years          75            75

ANNUAL FUND OPERATING EXPENSES - ADVISOR CLASS (as a percentage of net assets):
Management Fees                                           0.35%         0.35%
12b-1 Fees                                                0.50%         0.50%
Other Expenses                                          0.00%(2)      0.00%(2)
Total Fund Operating Expenses                             0.85%         0.85%

EXAMPLE:
You would pay the following expenses      1 year          $ 9            $ 9
on a $1,000 investment, assuming a        3 years          27             27
5% annual return and redemption           5 years          47             47
at the end of each time period.          10 years         105            105


(1) Redemption proceeds sent by wire are subject to a $10 processing charge.

   
(2) Other expenses, which include the fees and expenses (including legal counsel
    fees) of those  directors  or trustees who are not  "interested  persons" as
    defined in the Investment  Company Act, were less than 0.01 of 1% of average
    net assets for the funds' most recent fiscal year.
    


PROXY STATEMENT               TRANSACTION AND OPERATING EXPENSE INFORMATION   11


   
   The purpose of the previous  tables is to help you compare the various  costs
and expenses that  shareholders  bear,  directly or  indirectly,  as a result of
owning  shares of the funds.  The example set forth on the previous page assumes
reinvestment  of all  dividends and  distributions  and uses a 5% annual rate of
return as required by Securities and Exchange  Commission  regulations.  NEITHER
THE 5% RATE OF RETURN NOR THE EXPENSES SHOWN SHOULD BE CONSIDERED INDICATIONS OF
PAST OR FUTURE RETURNS AND EXPENSES.  ACTUAL RETURNS AND EXPENSES MAY BE GREATER
OR LESS THAN THOSE SHOWN.
    

                         ADDITIONAL INFORMATION
                    ABOUT THE PROPOSED TRANSACTION

SUMMARY OF PLAN OF REORGANIZATION

   
   Subject  to receipt  of  shareholder  approval,  the  reorganization  will be
carried out pursuant to the terms of the  Agreement  and Plan of  Reorganization
(the "Agreement") between the funds. The following is a brief summary of some of
the important terms of that Agreement.
    

   EFFECTIVE  TIME  OF THE  REORGANIZATION.  The  Agreement  requires  that  the
exchange  of assets  for stock  take place  after the close of  business  on one
business day but before (or as of) the opening of business on the next  business
day (the "Effective Time"). It is currently  anticipated that the reorganization
will take place after the close of business on August 28,  1998,  but before (or
as of) the opening of business on August 31, 1998. However,  the Agreement gives
the officers of the funds the flexibility to choose another date.

   
   EXCHANGE OF ASSETS.  After the close of business on August 28, the funds will
determine  the  value of their  assets  and  liabilities  in the same  manner as
described on page 17 of Prime's Investor Class prospectus and page 12 of Prime's
Advisor Class  prospectus.  The assets and liabilities of Cash Reserve will then
be  transferred  to Prime in  exchange  for that  number of full and  fractional
shares  (rounded to the third  decimal  place) that have the same  aggregate net
asset value as the value of the net assets received in the exchange.

   LIQUIDATING DISTRIBUTIONS AND TERMINATION OF CASH RESERVE. Immed-iately after
the exchange of its assets for the Prime  shares,  Cash Reserve will  distribute
pro rata all of the shares  received  in the  exchange  to its  shareholders  of
record at the Effective Time. All of the outstanding shares of Cash Reserve will
be redeemed and canceled and its stock books closed.  As a result,  Cash Reserve
shareholders will become shareholders of Prime.
    


12 ADDITIONAL INFORMATION ABOUT THE PROPOSED TRANSACTION
                                                    AMERICAN CENTURY INVESTMENTS


   
   SHAREHOLDER  APPROVAL.   Consummation  of  the  reorganization  requires  the
approval of Cash Reserve's shareholders.
    

   REPRESENTATIONS  AND WARRANTIES.  The Agreement contains  representations and
warranties made by Cash Reserve to Prime concerning Cash Reserve's formation and
existence   under   applicable   state  law,   its  power  to   consummate   the
reorganization,  its  qualification  as a "regulated  investment  company" under
applicable tax law, the  registration  of its shares under federal law and other
matters that are customary in a reorganization of this type. The representations
and warranties terminate at the Effective Time.

   
   CONDITIONS  TO CLOSING.  The  Agreement  contains  conditions  to closing the
proposed  reorganization for the benefit of each fund. The conditions to closing
the  reorganization  requires  approval by Cash Reserve  shareholders,  that all
representations  of the funds be true in all material  respects,  receipt of the
tax  opinion  described  on  page 14  under  the  caption  "Federal  Income  Tax
Consequences,"  and other matters that are customary in a reorganization of this
type.
    

   TERMINATION  OF  AGREEMENT.  The  Agreement  may be terminated by a fund as a
result of a failure by the other fund to meet one of its  conditions to closing,
or by mutual consent.

   GOVERNING  LAW.  The  Agreement  states  that it is to be  interpreted  under
Massachusetts law, the state of organization of Prime.

   
DESCRIPTION OF THE SECURITIES OF PRIME
    

   Prime is a series of shares  offered by American  Century  Investment  Trust.
Each series is commonly  referred to as a mutual fund.  The assets  belonging to
each series of shares are held separately by the custodian.

   American Century  Investment Trust is a Massachusetts  business trust,  which
means its activities are overseen by a Board of Trustees  rather than a Board of
Directors.  The function of the Board of Trustees is the same as the function of
the Board of Directors of Cash Reserve.

   Like Cash Reserve, Prime currently offers two classes of shares, the Investor
Class and the Advisor  Class,  although it may offer  additional  classes in the
future.  The  Investor  Class of  shares  of  Prime  have no  up-front  charges,
commissions  or 12b-1 fees.  The Advisor Class of shares have no up-front  fees,
charges  or  commissions,  but carry a 0.50%  12b-1  fee to pay for  shareholder
services and distribution costs.

   Your Board of Directors  believes there are no material  differences  between
the rights of a Cash Reserve  shareholder and the rights of a Prime shareholder.
Each share, irrespective of series or class of a series, is entitled to one vote
for each dollar of net asset value  applicable  to such share on all  questions,
except for those matters that must be voted on separately by the series or class
of a series  affected.  Matters  affecting  only one class of a series are voted
upon only by that series or class.


PROXY STATEMENT       ADDITIONAL INFORMATION ABOUT THE PROPOSED TRANSACTION  13


   Shares have  non-cumulative  voting  rights,  which means that the holders of
more than 50% of the votes cast in an election of trustees  can elect all of the
trustees if they choose to do so, and in such event the holders of the remaining
votes will not be able to elect any person or persons to the Board of Trustees.

   Unless  required by the  Investment  Company Act of 1940, it is not necessary
for Prime to hold annual meetings of shareholders. As a result, shareholders may
not vote each year on the election of trustees or the  appointment  of auditors.
However,  pursuant  to each  fund's  bylaws,  the holders of at least 10% of the
votes  entitled  to be cast may  request  the fund to hold a special  meeting of
shareholders.

REASONS SUPPORTING THE REORGANIZATION

   The reasons  supporting  the  combination of these funds are described in the
Q&A at the  front of this  document.  Prime  and  Cash  Reserve  both  commenced
operations  before the  combination of the Benham family of mutual funds and the
Twentieth Century family of mutual funds. Although the funds were similar at the
time of the Benham/Twentieth  Century merger, they have become even more similar
as a result of the  integration  of the two  investment  advisory  firms and the
appointment of the same portfolio management team for both funds. As a result of
the redundancy of these two funds in its fund line-up, American Century believes
that  combining Cash Reserve with Prime will create  operational  and management
efficiencies.   In  addition,  the  combination  will  help  eliminate  customer
confusion regarding which fund to choose.

FEDERAL INCOME TAX CONSEQUENCES

   
   Consummation  of the  reorganization  is  subject  to the  condition  that we
receive a tax opinion to the effect that for federal  income tax purposes (i) no
gain or loss will be recognized  by you, Cash Reserve or Prime,  (ii) your basis
in the Prime  shares that you receive will be the same as your basis in the Cash
Reserve shares held by you immediately  prior to the  reorganization,  and (iii)
your holding  period for the Prime  shares will include your holding  period for
your Cash Reserve shares.

   We have not sought a tax ruling from the Internal  Revenue  Service,  but are
relying upon the tax opinion  referred to above.  That opinion is not binding on
the IRS and does not  preclude it from taking a contrary  position.  The opinion
does not cover state or local  taxes and you should  consult  your own  advisors
concerning the potential tax consequences.

   The Agreement  provides that Cash Reserve will declare dividends prior to the
reorganization which, together with all previous dividends, will have the effect
of  distributing to the Cash Reserve  shareholders  all  undistributed  ordinary
income earned up to and including the Effective Time of the reorganization.  The
distribution is necessary to ensure that the reorganization  will not create tax
consequences to Cash Reserve. The distribution to shareholders generally will be
taxable to the extent ordinary distributions are taxable to such shareholders.
    


14  ADDITIONAL INFORMATION ABOUT THE PROPOSED TRANSACTION  
                                                    AMERICAN CENTURY INVESTMENTS


CAPITALIZATION

   As of March 31, 1998,  (i) the  capitalization  of the Investor Class of Cash
Reserve and Prime are $1,149,158,609 and $1,432,842,728,  respectively,  and the
pro forma  capitalization  of Prime after the merger, as adjusted to give effect
to the  reorganization,  is  $2,582,001,337;  and (ii) the capitalization of the
Advisor Class of Cash Reserve is  $3,333,856.  As of March 31, 1998, the Advisor
Class of Prime had no assets. If consummated,  the  capitalization of Prime will
be different at the Effective  Time of the  reorganization  as a result of daily
share purchase and redemption activity in the funds.

                          INFORMATION ABOUT THE FUNDS

   
PRIME AND CASH RESERVE

   Complete  information  about  Prime and Cash  Reserve is  contained  in their
respective  Prospectuses.  The Prime  Prospectus  is included with this Combined
Prospectus/Proxy  Statement, and the Cash Reserve Prospectus is available to you
by  calling  us  at   1-800-345-2021.   The  content  of  both  Prospectuses  is
incorporated  into this document by  reference.  Below is a list of the types of
information  about Prime and Cash  Reserve  and the pages in their  Prospectuses
where the information can be found.
    

<TABLE>
   
INFORMATION ABOUT THE                              CAN BE FOUND IN THE
FOLLOWING ITEMS                                    FOLLOWING PLACES
- ----------------------------------------------------------------------------------------------------------------
                                                                              CASH              CASH
                                        PRIME             PRIME              RESERVE           RESERVE
                                      INVESTOR           ADVISOR            INVESTOR           ADVISOR
                                        CLASS             CLASS               CLASS             CLASS
- ----------------------------------------------------------------------------------------------------------------
Condensed financial information
<S>                                     <C>             <C>               <C>                <C>
    See "Financial Highlights"          page 5              N/A              page 5             page 5
    "Performance Information
    of Other Class"                       N/A             page 5               N/A                N/A

Organization, proposed operation,
investment objectives and policies
    See "Further Information
    About American Century"           pages 21-22       page 17( )           page 20            page 16

    "Investment Policies
    of the Funds"                      pages 6-7         pages 6-7           page 6             page 7

    "Other Investment
    Practices, Their
    Characteristics and Risks"          page 9            page 9            pages 6-8          pages 7-9


PROXY STATEMENT                                INFORMATION ABOUT THE FUNDS   15


INFORMATION ABOUT THE                              CAN BE FOUND IN THE
FOLLOWING ITEMS                                    FOLLOWING PLACES
- ----------------------------------------------------------------------------------------------------------------
                                                                              CASH              CASH
                                        PRIME             PRIME              RESERVE           RESERVE
                                      INVESTOR           ADVISOR            INVESTOR           ADVISOR
                                        CLASS             CLASS               CLASS             CLASS
- ----------------------------------------------------------------------------------------------------------------
Management
    See "Management -
    Investment Management"            pages 19-20       pages 14-15        pages 18-19          page 14

Dividend and distribution
policies and tax consequences
    See "Distributions"                 page 18           pag 13           pages 16-17        pages 12-13

    "Taxes"                           pages 18-19       pages 13-14        pages 17-18        pages 13-14

"Net asset value"
    See "When Share Price
    is Determined"                      page 17           page 12            page 16            page 12

Transaction and operating expenses
    See "Transaction and Operating
    Expense Table"                      page 4            page 4             page 4             page 4

Distribution of shares
    See "Distribution of
    Fund Shares"                        page 21           page 16          pages 19-20          page 15

    "Transfer and
    Administrative Services"          pages 20-21       pages 15-16          page 19            page 15

Minimum initial and
subsequent investments
    See "How to Open
    an Account"                       pages 11-12           N/A            pages 10-11            N/A

    "How to Purchase and Sell
    American Century Funds"               N/A             page 11              N/A              page 11

Voting rights and restrictions
of shareholders
    See "Further Information
    About American Century"           pages 21-22         page 17            page 20            page 16

Redemption procedures
and policies
    See "How to Redeem Shares"          page 13           page 11            page 12            page 11

   "Redemption of Shares in
    Low-Balance Accounts"               page 14             N/A            pages 12-13            N/A
</TABLE>
    

16   INFORMATION ABOUT THE FUNDS                    AMERICAN CENTURY INVESTMENTS


FUNDAMENTAL INVESTMENT RESTRICTIONS

   Neither Cash Reserve nor Prime may change its investment objectives or any of
its  investment  policies  designated  as  "fundamental"  in its  Prospectus  or
Statement of Additional  Information  without  shareholder  approval.  As stated
above, the funds have substantially similar investment objectives,  policies and
strategies.

                             INFORMATION RELATING
                               TO VOTING MATTERS

GENERAL INFORMATION

   
   This  Combined  Prospectus/Proxy  Statement is being  furnished in connection
with the  solicitation  of proxies by the Board of  Directors  of Cash  Reserve.
Proxies may be solicited by officers and employees of the investment  advisor of
the funds,  its  affiliates  and their  employees.  It is  anticipated  that the
solicitation  of proxies  will be  primarily  by mail,  telephone,  facsimile or
personal  interview.  Authorizations  to  execute  proxies  may be  obtained  by
telephonic  or  electronically   transmitted  instructions  in  accordance  with
procedures  designed to authenticate the  shareholder's  identity and to confirm
that the  shareholder has received the Combined  Prospectus/Proxy  Statement and
proxy voting card. If you have any questions regarding voting your shares or the
proxy, please call us at 1-800-345-2021.

VOTING AND REVOCATION OF PROXIES

   The fastest and most convenient way to vote your shares is to complete,  sign
and mail the enclosed  proxy voting card to us in the  envelope  provided.  This
will help us obtain a quorum for the  meeting  and avoid the cost of  additional
proxy solicitation  efforts.  In addition,  you may vote by faxing both sides of
the completed proxy card to  1-888-796-9932,  or by calling D.F. King, our proxy
solicitor,  at  1-800-488-8095.  If you return your proxy to us, we will vote it
EXACTLY  as you tell us.  If you  simply  sign the card and  return  it, we will
follow  the  recommendation  of the  Board  of  Directors  and  vote  "FOR"  the
reorganization.

   Any  shareholder  giving  a proxy  may  revoke  it at any time  before  it is
exercised  by  submitting  a written  notice of  revocation,  by a  subsequently
executed proxy or by attending the meeting and voting in person.
    


PROXY STATEMENT                                INFORMATION ABOUT THE FUNDS   17


   
RECORD DATE

   Only shareholders of record at the close of business on May 15, 1998, will be
entitled to vote at the meeting.  On that date, the number of votes  outstanding
and  entitled to be voted at the meeting or any  adjournment  of the meeting for
the Investor Class was 1,163,451,972; and for the Advisor Class was 2,214,048.

QUORUM

   A quorum is the number of shareholders legally required to be at a meeting in
order to conduct business. The quorum for the Special Meeting of Shareholders is
50% of the outstanding  shares of Cash Reserve  entitled to vote at the meeting.
Shares may be represented in person or by proxy.  Proxies properly  executed and
marked with a negative vote or an abstention will be considered to be present at
the meeting for the purposes of  determining  the  existence of a quorum for the
transaction  of  business.  If a quorum is not present at the  meeting,  or if a
quorum is  present at the  meeting  but  sufficient  votes are not  received  to
approve  the  Agreement,  the  persons  named as proxies may propose one or more
adjournments of the meeting to permit further  solicitation of proxies. Any such
adjournment  will  require the  affirmative  vote of a majority of those  shares
affected by the adjournment  that are represented at the meeting in person or by
proxy. If a quorum is not present,  the persons named as proxies will vote those
proxies for which they are  required to vote FOR the  Agreement in favor of such
adjournments,  and will vote those  proxies for which they are  required to vote
AGAINST such proposals against any such adjournments.

SHAREHOLDER VOTE REQUIRED

   The  Agreement  must  be  approved  by  the  holders  of a  majority  of  the
outstanding  votes  of each  class  of  Cash  Reserve  in  accordance  with  the
provisions  of  its  Articles  of  Incorporation  and  the  requirements  of the
Investment  Company Act of 1940. The term "majority of the  outstanding  shares"
means more than 50% of its outstanding shares.

   In  tallying  shareholder  votes,  abstentions  and broker  non-votes  (i.e.,
proxies sent in by brokers and other nominees that cannot be voted on a proposal
because  instructions have not been received from the beneficial owners) will be
counted  for  purposes  of  determining  whether or not a quorum is present  for
purposes of  convening  the  meeting.  Abstentions  and broker  non-votes  will,
however, be considered to be a vote against the Agreement.

   The approval of the  reorganization by the shareholders of Prime is not being
solicited because their approval is not legally required.
    


18    INFORMATION RELATING TO VOTING MATTERS       AMERICAN CENTURY INVESTMENTS


 COST OF PROXY SOLICITATION

   The cost of the proxy  solicitation and shareholder  meeting will be borne by
American Century Investment Management,  Inc. and NOT by the shareholders of the
funds.

CERTAIN SHAREHOLDERS

   
   The  following  table  lists,  as of May 8, 1998,  the names,  addresses  and
percentage of ownership of each person who owned of record or is known by either
fund to own  beneficially  5% or more of the Advisor Class of Cash  Reserve.  No
shareholder owned 5% or more of the shares of the Investor Class of Cash Reserve
or the Investor Class or Advisor Class of Prime.  The percentage of shares to be
owned after  consummation of the reorganization is based upon their holdings and
the  outstanding  shares  of both  funds on May 8,  1998.  Beneficial  ownership
information is not required to be disclosed to the funds,  so to the extent that
the following  information is provided, it is done so using the best information
that the funds have been provided.

PERCENT
SHAREHOLDER NAME             PERCENT OF            OWNED AFTER
AND ADDRESS                   OWNERSHIP          REORGANIZATION
- --------------------------------------------------------------------------------
UMB Bank NA, Trustee,            68%                   68%
United Alloys Inc.
Retirement Plan and Trust
P.O. Box 419692
Kansas City, MO 64141

UMB Bank NA, Trustee,            13%                   13%
Trendwest Resorts Inc.
401(k) Plan and Trust
1010 Grand Blvd.
Kansas City, MO 64106

UMB Bank NA, Trustee,            19%                   19%
Carique Inc. Profit Sharing
Salary Savings Plan and Trust
P.O. 419692
Kansas City, MO 64141
- --------------------------------------------------------------------------------

   On May 8, 1998, the directors and officers of the issuer of Cash Reserve,  as
a group, owned less than 1% of the outstanding shares of Cash Reserve. On May 8,
1998, the trustees and officers of the issuer of Prime,  as a group,  owned less
than 1% of the outstanding shares of Prime.
    

APPRAISAL RIGHTS

   Shareholders  of Cash  Reserve  are  not  entitled  to any  rights  of  share
appraisal under its Articles of Incorporation, or under the laws of the State of
Maryland.


PROXY STATEMENT                     INFORMATION RELATING TO VOTING MATTERS    19


   Shareholders have,  however,  the right to redeem their fund shares until the
reorganization,  and  thereafter,  shareholders  may redeem  from  Prime  shares
received in the reorganization.  Any such redemption will be made at Prime's net
asset value as determined in accordance with its then-current prospectus.

ANNUAL MEETINGS

   Prime does not intend to hold annual meetings of shareholders.  Share-holders
of Prime  have the  right to call a special  meeting  of  shareholders  and such
meeting will be called when requested in writing by the holders of record of 10%
or more of the fund's votes.  To the extent  required by law,  American  Century
Investment Trust will assist in shareholder communications on such matters.

   Cash Reserve does not intend to hold an annual meeting of  shareholders  this
year for the election of directors or the  ratification  of the  appointment  of
auditors.


                            ADDITIONAL INFORMATION

   
   Information  about  Cash  Reserve  is  incorporated  into  this  document  by
reference  from its  Prospectus  and Statement of Additional  Information,  each
dated  March 1, 1998,  and  information  about Prime is  incorporated  herein by
reference  from its  Prospectus  and Statement of Additional  Information,  each
dated June 1, 1998,  copies of each of which may be obtained  without  charge by
calling one of our Investor Services Representatives at 1-800-345-2021.
    

   Reports  and  other  information  filed  by Cash  Reserve  and  Prime  may be
inspected and copied at the Public Reference Facilities maintained by the SEC at
450 Fifth Street, N.W., Washington, D.C. 20549, and copies of such materials may
be obtained from the Public  Reference  Branch,  Office of Consumer  Affairs and
Information  Services,  Securities  and Exchange  Commission,  Washington,  D.C.
20549,  at prescribed  rates or by accessing the Web site  maintained by the SEC
(www.sec.gov).

LITIGATION

   Neither Cash Reserve nor Prime is involved in any litigation or proceeding.

FINANCIAL STATEMENTS

   
   The financial  highlights  and financial  statements for Cash Reserve for the
fiscal year ended  October  31,  1997,  are  contained  in its Annual  Report to
Shareholders  and in the  Prospectus  and are  incorporated  by reference in the
Statement of Additional Information dated March 1, 1998. The report on the
    


20  ADDITIONAL INFORMATION                         AMERICAN CENTURY INVESTMENTS


   
financial highlights for the fiscal years 1993, 1994, 1995 and 1996 are included
in its Annual Report to Shareholders for the fiscal year ended October 31, 1996.
Each such Annual Report,  Prospectus and Statement of Additional  Information is
incorporated by reference into this Combined  Prospectus/  Proxy Statement.  The
financial  highlights and the financial statements for Prime for the fiscal year
ended February 28, 1998, are contained in its Annual Report to Shareholders  and
in the Prospectus and  incorporated  by reference in the Statement of Additional
Information  dated June 1, 1998. The report on the financial  highlights for the
fiscal  years 1994,  1995,  1996 and 1997 are  included in its Annual  Report to
Shareholders  for the fiscal  year ended  February  28,  1997.  Each such Annual
Report,  Prospectus and Statement of Additional  Information is  incorporated by
reference in this Combined Prospectus/Proxy Statement.
    

   The audited  financial  statements  of Cash Reserve for the fiscal year ended
October 31, 1997,  contained in its Annual Report and  incorporated by reference
in this  Combined  Prospectus/Proxy  Statement,  have been audited by Deloitte &
Touche LLP,  independent  auditors,  as  indicated  in their report with respect
thereto and are  incorporated  herein in reliance on their report given upon the
authority of such firm as experts in accounting and auditing.

   
   The audited financial  statements of Prime for the fiscal year ended February
28, 1998,  contained in its Annual Report and  incorporated by reference in this
Combined  Prospectus/Proxy  Statement,  have been  audited by Coopers & Lybrand,
independent  public  accountants,  as  indicated  in their  report with  respect
thereto  and are  incorporated  herein in  reliance  on their  report  given the
authority of such firm as experts in accounting and auditing.
    

OTHER BUSINESS

   The  Board of  Directors  is not aware of any other  business  to be  brought
before the meeting. However, if any other matters come before the meeting, it is
the  intention  that proxies that do not contain  specific  restrictions  to the
contrary  will be voted on such matters in  accordance  with the judgment of the
persons named in the enclosed form of proxy.

SHAREHOLDER INQUIRIES

   Shareholder  inquiries  may be  addressed  to us at the address or  telephone
number set forth on the cover page of this Combined Prospectus/Proxy Statement.

   
   SHAREHOLDERS  ARE REQUESTED TO SIGN AND DATE EACH ENCLOSED  PROXY VOTING CARD
AND RETURN IT IN THE  ENVELOPE  PROVIDED.  PLEASE  RETURN YOUR PROXY VOTING CARD
EVEN IF YOU ARE PLANNING TO ATTEND THE MEETING. NO POSTAGE IS REQUIRED IF MAILED
IN THE UNITED STATES.
    


PROXY STATEMENT                                     ADDITIONAL INFORMATION   21


                            MANAGEMENT'S DISCUSSION
                              OF FUND PERFORMANCE
                                     PRIME

   
   The following  are excerpts of  management's  discussion of fund  performance
from Prime's  Annual Report dated  February 28, 1998. For a complete copy of the
report, please call us at 1-800-345-2021.
    

REPORT HIGHLIGHTS

*  According to Lipper  Analytical  Services,  the fund outperformed the average
   money market fund during the 12 months ended February 28, 1998.

*  We left the fund's portfolio in a neutral position (weighted average maturity
   around  55 days)  for  most of the  period.  This  reflected  the  prevailing
   uncertainty about the future direction of interest rates.

*  The financial  crisis in Southeast  Asia had a minimal impact on the fund. We
   significantly  reduced the fund's  remaining  Japanese  holdings and replaced
   them with higher-quality U.S. securities.

*  To help maintain the fund's  above-average  yield, we continued to search for
   attractively valued  variable-rate  notes (VRNs),  whose yields are typically
   higher than fixed-rate  securities.  VRNs are debt securities  whose interest
   rates change when a designated base rate changes.

*  We believe  interest  rates should  remain  stable in the near term. We don't
   think the Federal  Reserve  will change  interest  rates while U.S.  economic
   strength and Asian economic weakness continue to offset each other.

*  As long as interest  rates  remain  stable,  we plan to  maintain  the fund's
   weighted average maturity at around 55-60 days. In addition,  we'll diversify
   away from  financial  services and bank holdings by looking for  attractively
   priced commercial paper backed by U.S. industrial companies.

*  The fund's fee waiver -- which caps  expenses  at 0.50% of average  daily net
   assets -- expires on May 31, 1998, and the fee will rise 0.10% to 0.60%.  The
   slightly higher fee could cause a small decline in the fund's yield.
       

PRIME MONEY MARKET

TOTAL RETURNS:    as of 2/28/98
                  6 Months         2.62%*
                  1 Year           5.29%
7-DAY CURRENT YIELD:               5.17%
NET ASSETS:                 $1.4 billion
INCEPTION DATE:                 11/17/93
TICKER SYMBOL:                     BPRXX
- -------------------
*Not annualized


22  MANAGEMENT'S DISCUSSION OF FUND PERFORMANCE    AMERICAN CENTURY INVESTMENTS

       

PERFORMANCE & PORTFOLIO INFORMATION

                                                         AVERAGE ANNUAL RETURNS
- --------------------------------------------------------------------------------
                             6 MONTHS     1 YEAR      3 YEARS    LIFE OF FUND(2)
- --------------------------------------------------------------------------------
TOTAL RETURNS AS OF
FEBRUARY 28, 1998(1)

PRIME MONEY MARKET             2.62%       5.29%        5.31%         5.09%

90-Day Treasury Bill Index     2.13%       4.75%        5.12%         4.92%(3)

   
Average Money Market
Instrument Fund(4)             2.43%       4.93%        5.03%         4.69%(3)

Fund's Ranking Among Money
Market Instrument Funds(4)      --   43 out of 306  40 out of 245  10 out of 207
- ------------------------------
    

(1)Returns for periods less than one year are not annualized.

(2)Inception date was November 17, 1993.

(3)Returns since 11/30/93,  the date nearest the fund's inception for which data
   are available.

(4)According to Lipper Analytical Services.


YIELD AS OF FEBRUARY 28, 1998
                                7-Day               7-Day
                            Current Yield      Effective Yield
                            -------------      ---------------
Prime Money Market              5.17%               5.30%


PORTFOLIO AT A GLANCE
                                2/28/98             2/28/97
Number of Issuers                 58                  49
Weighted Average Maturity       65 days             54 days
Expense Ratio                    0.50%               0.50%


   
   Money market funds are neither insured nor guaranteed by the U.S. government.
Yields will  fluctuate and there can be no assurance  that the fund will be able
to maintain a stable $1.00 share price.
    

MANAGEMENT Q & A

   An interview with John Walsh and Denise  Tabacco,  portfolio  managers on the
Benham Prime Money Market fund investment team.

   HOW DID THE FUND PERFORM DURING THE YEAR ENDED FEBRUARY 28, 1998?

   
   The fund performed well,  providing a higher level of income than the average
money  market  fund.  For the  12-month  period,  the fund had a total return of
5.29%,  compared  with  the  4.93%  average  return  of the  306  "Money  Market
Instrument Funds" tracked by Lipper Analytical Services.  (See the Total Returns
table on the previous page for other fund performance comparisons.)
    


PROXY STATEMENT                MANAGEMENT'S DISCUSSION OF FUND PERFORMANCE   23


   HOW WAS THE FUND POSITIONED DURING THE PERIOD?

   We  consider  a  weighted  average  maturity  of 50-60  days to be a  neutral
position  for the fund,  the  target we use when we're  unsure  about the future
direction  of  interest  rate  movements.  We  moved  the fund  from a  slightly
defensive  position in the first several  months of the period to a more neutral
stance for the  remainder of the year.  After  beginning the fiscal year with an
average maturity of around 45 days, we shortened to a more defensive  posture of
between 30-40 days in May when we were concerned that the Federal  Reserve would
raise interest rates to reduce inflationary  pressures. We wanted to improve our
ability to translate those  potentially  higher rates into higher yields for the
fund. Over the next couple of months, however, the inflation threat subsided and
the Fed held interest rates steady. As a result, we extended average maturity to
60 days in July. Given an uncertain outlook for interest rates stemming from the
countervailing  forces of an economic  slowdown in  Southeast  Asia and a strong
U.S.  economy,  we maintained a 60-day  average  maturity  until late  November.
Average  maturity  dipped  in  December,  reflecting  a  temporary  scarcity  of
attractively  priced,  longer-maturity  paper.  When  supply  bounced  back,  we
extended average maturity back out to about 60 days at the end of 1997, where it
remained until the end of the period.

   DID THE FINANCIAL PROBLEMS IN SOUTHEAST ASIA HAVE ANY IMPACT ON THE FUND?

   Prime's  Japanese  holdings were limited to  securities  backed by industrial
companies,  such as Mitsubishi,  so the fund was able to avoid the problems that
plagued  securities  issued by Japanese banks and other financial  institutions.
Our  conservative   investment   approach  led  us  to  cut  back  on  even  the
industrial-backed  holdings.  That  resulted  in a slightly  lower yield for the
fund, since the Japanese holdings  generally offered higher yields than the U.S.
commercial paper and asset-backed securities that replaced them.

   GIVEN THE REDUCTION OF HIGHER-YIELDING JAPANESE HOLDINGS, WHAT STRATEGIES DID
YOU PURSUE TO MAINTAIN THE FUND'S YIELD?

   We continued to search for  attractively  valued  variable rate notes (VRNs),
whose yields are  typically  higher than  fixed-rate  securities.  When choosing
VRNs, a primary factor we consider is how the market

   
[pie charts]
PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 2/28/98)

Commercial Paper          70%
Variable-Rate Notes       17%
Asset-Backed Securities    7%
Certificates of Deposit    4%
Other                      2%
    

PORTFOLIO COMPOSITION BY SECURITY TYPE (as of 8/31/97)

Commercial Paper          71%
Variable-Rate Notes       18%
U.S. Government Agency
  Securities               7%
Certificates of Deposit    3%
Asset-Backed Securities    1%


24  MANAGEMENT'S DISCUSSION OF FUND PERFORMANCE     AMEICAN CENTURY INVESTMENTS


anticipates  Fed actions and how that affects  short-term  interest  rates.  For
example, some VRNs are tied to the London Interbank Offered Rate (LIBOR). Others
are tied to the Fed Funds Rate. The yields on  LIBOR-related  securities tend to
anticipate Fed actions, rising before interest rate hikes and falling in advance
of rate cuts.  When we believe  the Fed is poised to raise  interest  rates,  we
typically  choose  securities  tied to the LIBOR to capture the higher yields as
early as  possible.  Conversely,  when we think that the Fed is poised to reduce
rates,  we lean  toward  VRNs  tied to the Fed Funds  Rate  since  their  yields
typically stay higher longer than the yields of LIBOR-related securities.

   WHAT'S YOUR OUTLOOK FOR INTEREST RATES OVER THE NEXT SIX MONTHS?

   We believe  rates  should  remain  stable over the near term,  though  market
sentiment  is  currently  divided.  On  one  hand,  the  strength  of  the  U.S.
economy--as  evidenced  by very low  unemployment,  strong  retail sales and low
inventories--has the potential to re-ignite inflationary pressures and force the
Fed to raise rates. On the other hand, we don't know if the economic slowdown in
Southeast Asia has had its full impact on the U.S. economy.  If problems in Asia
translate into slower U.S. economic growth, the Fed could cut rates.

   GIVEN THAT OUTLOOK, HOW WILL YOU MANAGE THE FUND OVER THE NEXT SIX MONTHS?

   We plan to maintain the fund's average maturity at around 60 days until there
is definitive and sustained  evidence of the direction of U.S.  economic growth,
inflation and interest rates.  Additionally,  we'll look for attractively priced
commercial  paper backed by U.S.  industrial  companies  to diversify  away from
financial  services and bank  holdings.  Another factor that could have a slight
impact on future performance is a scheduled change in the fund's management fee.
As we've  mentioned in past reports,  Prime has benefited from a fee waiver that
capped expenses at 0.50% of average daily net assets. This fee waiver expires on
May 31, 1998, and the fee will rise 0.10% to 0.60%,  in line with fees currently
charged by other American Century money market funds and their competitors.  The
slightly  higher  fee  could  cause a small  decline  in the  fund's  yield.  We
anticipate no further fee increases in the near future.

[pie charts]
PORTFOLIO COMPOSITION BY CREDIT RATING (as of 2/28/98)

A1+    72%
A1     28%

   
PORTFOLIO COMPOSITION BY CREDIT RATING (as of 8/31/97)
A1+                        80%
A1                         16%
A2                          2%
Unrated U.S. Government
  Agency Securities         2%
    


PROXY STATEMENT                MANAGEMENT'S DISCUSSION OF FUND PERFORMANCE  25


                         [american century logo(reg.sm)]
                                    American
                                 Century(reg.tm)

9805           [recycled logo]
SH-BKT-12448      Recycled
<PAGE>
PART B

                       AMERICAN CENTURY MUTUAL FUNDS, INC.
                          American Century Investments
                                4500 Main Street
                                 P.O. Box 419200
                        Kansas City, Missouri 64141-6200
                                 1-800-345-2021

                        AMERICAN CENTURY INVESTMENT TRUST
                          American Century Investments
                                4500 Main Street
                                 P.O. Box 419200
                        Kansas City, Missouri 64141-6200
                                 1-800-345-2021

                       Statement of Additional Information

   1998 Special Meeting of Shareholders of American Century Mutual Funds, Inc.

         This Statement of Additional Information is not a prospectus but should
be read in conjunction with the Combined Proxy  Statement/Prospectus  dated June
8, 1998 for the Special  Meeting of  Shareholders  to be held on August 7, 1998.
Copies of the Combined Proxy  Statement/Prospectus  may be obtained at no charge
by calling American Century Mutual Funds, Inc. at 1-800-345-2021.

         Unless  otherwise  indicated,  capitalized  terms  used  herein and not
otherwise  defined  have the same  meanings as are given to them in the Combined
Proxy Statement/Prospectus.

         Further  information  about Prime is contained in and  incorporated  by
reference to its Statement of Additional Information dated June 1, 1998, [ to be
filed pursuant to Rule 485(b) prior to the  effectiveness  of this  Registration
Statement].   The  audited   financial   statements   and  related   independent
accountant's  report for Prime contained in the Annual Report dated February 28,
1998 [to be filed prior to the effectiveness of this Registration Statement] are
incorporated  herein by  reference.  No other  parts of the  Annual  Report  are
incorporated by reference herein.

         Further information about Cash Reserve is contained in and incorporated
by reference to its Statement of Additional Information dated March 1, 1998. The
audited financial  statements and related  independent  accountant's  report for
Cash  Reserve  contained  in its  Annual  Report  dated  October  31,  1996  are
incorporated  herein by  reference.  No other  parts of the  Annual  Report  are
incorporated by reference herein.

         The date of this Statement of Additional Information is June 8, 1998.


                                TABLE OF CONTENTS

General Information...........................................................
Pro Forma Financial Statements................................................


GENERAL INFORMATION

         The  Shareholders  of Cash  Reserve  are  being  asked  to  approve  or
disapprove  an  Agreement  and  Plan  of  Reorganization  (the   "Reorganization
Agreement")  dated as of _______,  1998 between the American Century  Investment
Trust and American Century Mutual Funds, Inc. and the transactions  contemplated
thereby. The Reorganization Agreement contemplates the transfer of substantially
all of the assets and  liabilities of Cash Reserve to Prime in exchange for full
and  fractional  shares  representing  interests in Prime.  The shares issued by
Prime will have an aggregate  net asset value equal to the  aggregate  net asset
value of the shares of Cash Reserve that are outstanding  immediately before the
effective time of the Reorganization.

         Following   the   exchange,   Cash  Reserve  will  make  a  liquidating
distribution of Prime shares to shareholders.  Each shareholder owning shares of
Cash Reserve at the effective time of the reorganization  will receive shares of
Prime of equal value,  plus the right to receive any unpaid  dividends that were
declared before the effective time of the reorganization on Cash Reserve shares.

         The Special  Meeting of  Shareholders  to consider  the  Reorganization
Agreement and the related  transactions  will be held at 10:00 a.m. Central time
on August 7, 1998 at American  Century  Tower I, 4500 Main Street,  Kansas City,
Missouri. For further information about the transaction,  see the Combined Proxy
Statement/Prospectus.
<PAGE>
Pro Forma Combining
Benham Prime Money Market Fund and
Benham Cash Reserve Fund

<TABLE>
<CAPTION>
Schedule of Investments

FEBRUARY 28, 1998
<S>        <C>       <C>         <C>                  <C>         <C>         <C>
Benham                                                   Benham
Prime      Benham                                        Prime      Benham
Money      Cash       Pro                                Money      Cash       Pro
Market     Reserve    Forma                              Market     Reserve    Forma
Fund       Fund       Combined                           Fund       Fund       Combined
Principal  Principal  Principal                          Market     Market     Market
Amount     Amount     Amount                             Value      Value      Value

COMMERCIAL PAPER(1)

BANKING--17.4%
$32,000,000        -- $32,000,000 Abbey National North
                                  America Corp.,
                                  5.43%-5.50%, 3/31/98-
                                  4/21/98                $31,816,109        -- $31,816,109
 20,500,000  6,675,000 27,175,000 Bank of Nova Scotia,
                                  5.43%-5.45%, 4/8/98-
                                  4/9/98                  20,380,836  6,636,953 27,017,789
 15,000,000  5,000,000 20,000,000 Bankers Trust New York
                                  Corp.,
                                  5.37%-5.60%, 4/16/98-
                                  7/15/98                 14,695,700  4,964,223 19,659,923
 20,000,000         -- 20,000,000 Banque Nationale de
                                  Paris (Canada),
                                  5.48%-5.73%, 3/9/98-
                                  4/13/98                 19,921,811         -- 19,921,811
 39,000,000         -- 39,000,000 BIL North America, Inc.,
                                  5.45%-5.46%, 3/25/98-
                                  5/13/98                 38,754,164         -- 38,754,164
         --  4,210,343  4,210,343 Chase Manhattan Bank
                                  USA, N.A.,
                                  5.40%, 5/26/98                  --  4,156,030  4,156,030
 10,000,000 10,000,000 20,000,000 Cofco Capital Corp.,
                                  5.75%, 3/5/98
                                  (LOC: Credit Suisse
                                  First Boston)            9,993,611  9,993,611 19,987,222
 57,290,000 38,500,000 95,790,000 Corporate Receivables
                                  Corp., 5.44%-5.53%,
                                  3/5/98-5/21/98 (LOC:
                                  Citibank, N.A.)
                                  (Acquired 1/6/98
                                  through 2/19/98,
                                  Cost $94,806,939)(2)    56,916,385 38,277,210 95,193,595
         -- 10,000,000 10,000,000 Demir Funding Corp. I,
                                  Series A, Tranche B,
                                  5.50%, 4/13/98 (LOC:
                                  Bayerische Vereinsbank
                                  A.G.)                           --  9,934,306  9,934,306
  7,000,000 10,000,000 17,000,000 Galicia Funding Corp.,
                                  Series B,
                                  5.78%, 3/4/98
                                  (LOC: Bayerische
                                  Vereinsbank A.G.)        6,996,628  9,995,184 16,991,812
 50,000,000 11,000,000 61,000,000 Garanti Funding Corporation,
                                  5.40%-5.58%, 3/4/98-7/27/98
                                  (LOC: Bayerische
                                  Vereinsbank A.G.)       49,477,953 10,927,016 60,404,969
 12,850,000         -- 12,850,000 IMI Funding Corp. (U.S.A.),
                                  5.75%, 3/2/98-3/18/98   12,833,381         -- 12,833,381
 12,000,000 45,000,000 57,000,000 National Australia
                                  Funding (Delaware), Inc.,
                                  5.41%-5.43%, 4/21/98-
                                  5/26/98                 11,907,690 44,567,658 56,475,348
  8,000,000         --  8,000,000 Pemex Capital, Inc.,
                                  5.58%, 4/22/98
                                  (LOC: Societe Generale)  7,935,520         --  7,935,520
 20,000,000         -- 20,000,000 Westdeutsche Landesbank
                                  Girozentrale,
                                  5.47%, 4/2/98           19,902,756         -- 19,902,756
                                                       ===================================
                                                       301,532,544 139,452,191 440,984,735
                                                       ===================================

BUILDING & HOME IMPROVEMENTS--0.4%
         -- 10,000,000 10,000,000 Cemex, S.A. de C.V.,
                                  5.46%, 5/14/98
                                  (LOC: Credit Suisse
                                   First Boston)                  --  9,887,767  9,887,767

COMMUNICATIONS SERVICES--0.9%
  5,000,000 19,000,000 24,000,000 Ameritech Capital
                                  Funding Corp.,
                                  5.43%, 4/10/98           4,969,834 18,885,367 23,855,201

DIVERSIFIED COMPANIES--3.5%
 44,000,000 45,000,000 89,000,000 Mitsubishi International Corp.,
                                  5.50%-5.65%, 4/20/98-
                                  5/20/98                 43,539,167 44,597,041 88,136,208

FINANCIAL SERVICES--21.7%
         -- 28,000,000 28,000,000 BT Alex. Brown Inc.,
                                  5.39%, 7/15/98-8/26/98          -- 27,297,169 27,297,169
  1,000,000         --  1,000,000 Charta Corporation,
                                  5.50%, 3/19/98 (AMBAC)
                                  (Acquired 2/13/98,
                                  Cost $994,806)(2)          997,250         --    997,250
 60,200,000 20,000,000 80,200,000 Dakota Certificates
                                  (Citibank),
                                  Series 1995-7,
                                  5.45%-5.75%, 3/3/98-
                                  5/18/98
                                  (Acquired 12/12/97
                                  through 2/18/98,
                                  Cost $79,188,045)(2)    59,876,826 19,903,950 79,780,776
 47,000,000 20,000,000 67,000,000 Ford Motor Credit Co.
                                  Puerto Rico, Inc.,
                                  5.45%-5.53%,
                                  4/9/98-5/15/98          46,635,558 19,877,111 66,512,669
         -- 10,000,000 10,000,000 Ford Motor Credit Co.,
                                  5.50%, 3/12/98                  --  9,983,195  9,983,195
 39,500,000  9,000,000 48,500,000 General Electric
                                  Capital Corp.,
                                  5.37%-5.68%,
                                  3/2/98-6/5/98           39,232,257  8,871,120 48,103,377
 24,000,000  8,000,000 32,000,000 General Electric
                                  Capital Services, Inc.,
                                  5.40%-5.47%,
                                  4/3/98-5/29/98          23,856,260  7,893,200 31,749,460
 45,000,000 42,000,000 87,000,000 General Electric
                                  Financial Assurance
                                  Holdings, 5.45%-5.49%,
                                  3/6/98-4/6/98           44,933,863 41,777,500 86,711,363
 24,100,000 46,000,000 70,100,000 General Motors
                                  Acceptance Corp.,
                                  5.46%-5.75%,
                                  3/10/98-7/31/98         23,944,485 45,364,663 69,309,148
         -- 23,500,000 23,500,000 Siemens Capital Corp.,
                                  5.50%, 6/19/98                  -- 23,105,070 23,105,070
 27,000,000         -- 27,000,000 Toyota Motor Credit Corp.,
                                  5.73%-5.77%,
                                  3/3/98-3/27/98          26,953,168         -- 26,953,168
 35,000,000 35,000,000 70,000,000 WCP Funding Inc.,
                                  5.43%-5.47%,
                                  4/7/98-4/24/98
                                  (AMBAC)
                                  (Acquired 1/15/98
                                  through
                                  2/5/98, Cost
                                  $69,252,813)(2)         34,778,429 34,826,861 69,605,290
         -- 10,000,000 10,000,000 Wachovia Corp., 5.48%,
                                  3/18/98                         --  9,974,122  9,974,122
                                                       ===================================
                                                       301,208,096 248,873,961 550,082,057
                                                       ===================================

HOUSEHOLD AUDIO & VIDEO--0.5%
 12,313,000         -- 12,313,000 Panasonic Finance
                                  America, 5.54%, 3/6/98
                                  (Acquired 10/9/97,
                                  Cost $12,032,565)(2)    12,303,525         -- 12,303,525
                                                         =================================
INSURANCE--2.7%
  9,400,000         --  9,400,000 American Family
                                  Financial Services, Inc.,
                                  5.47%, 3/5/98            9,394,287         --  9,394,287
  8,500,000 10,000,000 18,500,000 Prudential Funding
                                  Corp.,
                                  5.47%-5.50%,
                                  3/11/98-4/14/98          8,443,173  9,984,722 18,427,895
 20,000,000 20,000,000 40,000,000 SAFECO Corp., 5.47%-5.76%,
                                  3/12/98-4/15/98
                                  (Acquired 12/15/97-1/15/98,
                                  Cost $39,434,450)(2)    19,914,025 19,952,000 39,866,025
                                                          ================================
                                                          37,751,485 29,936,722 67,688,207
                                                          ================================

MACHINERY & EQUIPMENT--0.7%
         -- 16,600,000 16,600,000 Dover Corp., 5.47%,
                                  3/6/98 (Acquired
                                  1/22/98, Cost
                                  $16,491,641)(2)                 -- 16,587,400 16,587,400
                                                          ================================

METALS & MINING--0.8%
  9,000,000         --  9,000,000 RTZ America Inc.,
                                  5.53%, 3/20/98
                                  (Acquired 9/19/97,
                                  Cost $8,748,385)(2)      8,973,733         --  8,973,733
         -- 12,000,000 12,000,000 Rio Tinto America
                                  Inc., 5.46%, 5/15/98            -- 11,863,500 11,863,500
                                                           ===============================
                                                           8,973,733 11,863,500 20,837,233
                                                           ===============================

PETROLEUM REFINING--3.7%
 18,900,000 11,100,000 30,000,000 Chevron Transport Corp.,
                                  5.44%-5.50%,
                                  3/18/98-6/16/98         18,715,196 11,071,171 29,786,367
 40,000,000 23,000,000 63,000,000 Chevron U.K. Investment
                                  PLC,
                                  5.43%-5.75%,
                                  3/10/98-4/6/98          39,861,109 22,964,933 62,826,042
                                                          ================================
                                                          58,576,305 34,036,104 92,612,409
                                                          ================================

RETAIL--1.1%
 10,133,000 17,800,000 27,933,000 Southland Corp.,
                                  5.42%-5.48%, 3/23/98-
                                  8/18/98 (LOC: Ito-
                                  Yokado Co. Ltd.)        10,054,765 17,693,648 27,748,413
                                                          ================================

RUBBER & PLASTICS--1.4%
 15,000,000 20,000,000 35,000,000 Formosa Plastics
                                  Corp. USA,
                                  5.50%-5.54%,
                                  6/4/98-6/25/98
                                  (LOC: Bank of America
                                  N.T. & S.A.)            14,782,292 19,642,978 34,425,270
                                                          ================================

SECURITY BROKERS & DEALERS--11.2%
 10,000,000         -- 10,000,000 Bear Stearns Co., Inc.,
                                  5.46%, 5/13/98           9,889,283         --  9,889,283
 40,000,000 21,000,000 61,000,000 Credit Suisse First
                                  Boston, Inc.,
                                  5.41%-5.46%,
                                  4/22/98-5/19/98         39,623,977 20,793,505 60,417,482
 37,000,000 24,000,000 61,000,000 Goldman Sachs Group
                                  L.P.,
                                  5.42%-5.70%,
                                  4/15/98-5/14/98         36,604,707 23,796,871 60,401,578
 45,000,000 18,000,000 63,000,000 Merrill Lynch &
                                  Co., Inc.,
                                  5.46%-5.73%,
                                  3/9/98-7/31/98          44,436,373 17,958,150 62,394,523
 51,000,000 41,500,000 92,500,000 Morgan Stanley Dean
                                  Witter, Discover & Co.,
                                  5.40%-5.49%,
                                  4/17/98-7/29/98         50,332,075 41,038,946 91,371,021
                                                       ===================================
                                                       180,886,415 103,587,472 284,473,887
                                                       ===================================

SOVEREIGN GOVERNMENTS & AGENCIES--0.8%
         -- 20,000,000 20,000,000 Kingdom of Sweden,
                                  5.55%, 3/2/98                   -- 19,996,916 19,996,916
                                                       ===================================

UTILITIES--1.4%
 10,000,000 25,000,000 35,000,000 National Rural
                                  Utilities Cooperative
                                  Finance Corp., 5.45%-5.64%,
                                  3/13/98-4/24/98          9,931,875 24,926,973 34,858,848
                                                          ================================

TOTAL COMMERCIAL PAPER--68.2%                        984,510,036 739,968,040 1,724,478,076
                                                     =====================================
OTHER CORPORATE DEBT
 25,000,000 25,000,000 50,000,000 Abbey National Treasury
                                  Services, VRN, 5.51%, 3/16/98, 
                                  resets monthly off the 1-month 
                                  LIBOR minus 0.12% with
                                  no caps                 24,995,296 24,995,297 49,990,593
 20,000,000 20,000,000 40,000,000 American Express
                                  Centurion Bank, VRN, 5.57%,  
                                  3/11/98, resets monthly off 
                                  the 1-month LIBOR minus 0.06% with
                                  no caps                 20,000,000 20,000,000 40,000,000
 15,000,000         -- 15,000,000 American Express
                                  Centurion Bank, VRN,
                                  5.60%, 3/12/98, resets
                                  monthly off the 1-month
                                  LIBOR minus 0.03%
                                  with no caps            15,000,546         -- 15,000,546
         -- 20,000,000 20,000,000 First Bank, N.A.,
                                  VRN, 5.59%, 6/17/98,
                                  resets monthly off the
                                  1-month LIBOR minus
                                  0.95% with no caps              -- 19,997,420 19,997,420
 50,000,000 40,000,000 90,000,000 General American Life,
                                  VRN, 5.82%, 3/1/98, resets 
                                  monthly off the 1-month LIBOR 
                                  plus 0.20% with no caps
                                  (Acquired 1/3/97,
                                  Cost $90,000,000)(2)    50,000,000 40,000,000 90,000,000
         -- 10,000,000 10,000,000 General American Life,
                                  VRN,  5.82%,  3/1/98,  
                                  resets monthly off the
                                  1-month LIBOR plus 0.20% 
                                  with no caps
                                  (Acquired 7/7/97,
                                  Cost $10,000,000)(2)            -- 10,000,000 10,000,000
 25,000,000         -- 25,000,000 General Electric
                                  Capital Corp., VRN,
                                  5.54%, 4/21/98, resets
                                  quarterly off the 3-month
                                  LIBOR minus 0.09%
                                  with no caps            25,000,000         -- 25,000,000
 15,000,000 12,000,000 27,000,000 Key  Bank  N.A., VRN,
                                  5.68%, 3/2/98, resets  
                                  daily off the Federal
                                  Funds rate plus 0.07% with
                                  no caps                 14,996,126 11,996,901 26,993,027
         -- 10,000,000 10,000,000 Merrill Lynch & Co., Inc.
                                  MTN, Series B,
                                  VRN, 5.84%, 4/15/98, resets
                                  quarterly off the 3-month
                                  LIBOR plus 0.25%
                                  with no caps                    -- 10,003,764 10,003,764
 47,000,000 47,000,000 94,000,000 Transamerica Occidental
                                  Life Insurance  Co.,  
                                  VRN, 5.625%, 3/2/98,
                                  resets monthly off the 
                                  1-month LIBOR with no
                                  caps (Acquired 6/30/97, Cost
                                  $94,000,000)(2)         47,000,000 47,000,000 94,000,000
 11,700,000 11,700,000 23,400,000 Travelers Insurance
                                  Company  (The),  
                                  VRN, 5.68%, 3/9/98,
                                  resets monthly off the 
                                  1-month LIBOR plus 
                                  0.05% with no caps 
                                  (Acquired 6/9/97, Cost
                                  $23,400,000)(2)         11,700,000 11,700,000 23,400,000
 23,500,000 23,500,000 47,000,000 Travelers  Insurance
                                  Company (The),  
                                  VRN, 5.68%, 3/23/98, 
                                  resets monthly off the 
                                  1-month LIBOR plus 
                                  0.05% with no caps 
                                  (Acquired 5/23/97, Cost
                                  $47,000,000)(2)         23,500,000 23,500,000 47,000,000
         -- 15,000,000 15,000,000 U.S. Bank N.A.,
                                  Minnesota, VRN,
                                  5.49%, 3/18/98, resets monthly
                                  off the 1-month LIBOR minus
                                  0.13% with no caps              -- 14,994,314 14,994,314
                                                          ================================

TOTAL OTHER CORPORATE DEBT--18.4%                      232,191,968 234,187,696 466,379,664
                                                       ===================================

ASSET-BACKED SECURITIES

 23,500,000 23,500,000 47,000,000 ABSIT, VRN,
                                  Series 1997 C, Class N,
                                  5.625%, 3/16/98,
                                  resets monthly off
                                  the 1-month LIBOR with
                                  no caps
                                  (LOC: Goldman Sachs
                                  Group L.P.)
                                  (Acquired 6/11/97,
                                  Cost $47,000,000)(2)    23,500,000 23,500,000 47,000,000
  5,903,334  5,903,334 11,806,668 Americredit Automobile
                                  Receivables Trust,
                                  Series 1997 C, Class A1,
                                  5.66%, 9/5/98 (FSA)      5,903,334  5,903,334 11,806,668
  7,349,378  7,349,378 14,698,756 Americredit Automobile
                                  Receivables Trust,
                                  Series 1997 D, Class A1,
                                  5.80%, 11/5/98 (FSA)     7,349,378  7,349,378 14,698,756
  3,251,427  3,251,427  6,502,854 Barnett Auto Trust,
                                  Series 1997 A,
                                  Class A1, 5.65%,
                                  10/15/98
                                  (Acquired 9/18/97,
                                  Cost $6,502,854)(2)      3,251,427  3,251,427  6,502,854
 10,315,769 10,315,769 20,631,538 Capital Equipment
                                  Receivables Trust,
                                  Series 1997-1, Class A1,
                                  5.79%, 12/15/98         10,315,769 10,315,769 20,631,538
 11,000,000  9,000,000 20,000,000 Chase Manhattan
                                  Auto Owner Trust,
                                  Series 1998 A, Class A1,
                                  5.55%, 3/12/99          11,000,000  9,000,000 20,000,000
  5,245,042  5,245,042 10,490,084 Ford Credit Auto
                                  Owner Trust,
                                  Series 1997 B,
                                  Class A1, 5.75%,
                                  10/15/98                 5,245,042  5,245,042 10,490,084
 20,000,000 20,000,000 40,000,000 Ford Credit Auto
                                  Owner Trust,
                                  Series 1998 A,
                                  Class A1, 5.55%,
                                  2/15/99                 20,000,000 20,000,000 40,000,000
 14,000,000 15,000,000 29,000,000 Racers Series
                                  1997-MM-8-5, VRN,
                                  5.61%, 3/30/98, resets
                                  monthly off the
                                  1-month LIBOR
                                  minus 0.02% with
                                  no caps
                                  (LOC: National West-
                                  minster Bank PLC)
                                  (Acquired 8/29/97,
                                  Cost $29,000,000)(2)    14,000,000 15,000,000 29,000,000
                                                          ================================
TOTAL ASSET-BACKED SECURITIES--7.9%                     100,564,950 99,564,950 200,129,900
                                                        ==================================

CERTIFICATES OF DEPOSIT

         -- 10,000,000 10,000,000 Caisse Nationale de
                                  Credit Agricole,
                                  5.90%, 8/11/98                  -- 10,000,000 10,000,000
 10,000,000         -- 10,000,000 Chase Manhattan Corp.
                                  5.56%, 7/7/98           10,000,000         -- 10,000,000
 20,000,000 10,000,000 30,000,000 Bayerische Landesbank
                                  Girozentrale,
                                  5.66%, 2/22/99          20,000,000 10,000,000 30,000,000
         --  5,000,000  5,000,000 National Westminster
                                  Bank PLC,
                                  5.86%, 3/10/98                  --  4,999,957  4,999,957
 13,000,000         -- 13,000,000 Rabobank Nederland,
                                  5.43%-5.99%,
                                  3/24/98-1/12/99         12,980,541         -- 12,980,541
 14,000,000 11,000,000 25,000,000 Royal Bank of
                                  Canada - New York,
                                  5.55%, 2/11/99          13,992,167 10,993,845 24,986,012
                                                         =================================

TOTAL CERTIFICATES OF DEPOSIT--3.7%                       56,972,708 35,993,802 92,966,510
                                                         =================================

BANK NOTES--1.8%

 35,000,000 17,675,000 52,675,000 BankBoston Corp.,
                                  5.59%-5.83%, 4/9/98-
                                  7/8/98                  35,000,000 11,000,000 46,000,000
                                                         =================================

TOTAL INVESTMENT SECURITIES--100.0%           $1,409,239,662 $1,120,714,488 $2,529,954,150
                                              ============================================

Notes to Schedule of Investments

AMBAC  = AMBAC Assurance Corporation

FSA    = Financial Security Assurance Inc.

LIBOR  = London Interbank Offered Rate

LOC    = Letter of Credit

VRN    =  Variable  Rate Note.  Interest  reset  date is  indicated  and used in
       calculating  the  weighted  average  portfolio  maturity.  Rate  shown is
       effective February 28, 1998.

resets = The frequency  with which a  fixed-income  security's  coupon  changes,
       based on current  market  conditions  or an  underlying  index.  The more
       frequently a security  resets,  the less risk the investor is taking that
       the coupon will vary significantly from current market rates.

(1)    The rates for commercial paper are the yield to maturity at purchase.

(2)    Security was purchased  under Rule 144A or Section 4(2) of the Securities
       Act of  1933  and,  unless  registered  under  the Act or  exempted  from
       registration,  may only be sold to qualified institutional investors. The
       aggregate  value of  restricted  securities  at February  28,  1998,  was
       $670,210,448, which represented 26.4% of net assets.

See Notes to Financial Statements
<PAGE>



BENHAM PRIME MONEY MARKET FUND
BENHAM CASH RESERVE FUND
PRO FORMA COMBINING STATEMENT OF ASSETS AND LIABILITIES
February 28, 1998 (Unaudited)

                            Benham
                             Prime           Benham                             Pro
                             Money            Cash                             Forma
                            Market           Reserve                          Combined
                             Fund             Fund          Adjustments       (Note 1)

ASSETS
Investment securities,
   at amortized cost..  $1,409,239,662   $1,120,714,488                    $2,529,954,150
Cash .................      12,464,116        6,500,771                        18,964,887
Receivable for
capital shares sold...               0            1,371                             1,371
Interest receivable...       1,906,726        1,780,442                         3,687,168
- ------------------------------------------------------------------------------------------
                         1,423,610,504    1,128,997,072                0    2,552,607,576
- ------------------------------------------------------------------------------------------

LIABILITIES
Disbursements in excess
  of demand deposit cash..   4,193,481                0                         4,193,481
Payable for investments
  Purchased ..............           0                0                                 0
Payable for capital
  shares redeemed.........   1,365,778        9,422,160                        10,787,938
Dividends payable ........     195,084          159,044                           354,128
Accrued management fee ...     543,835          436,185          196,225(1)     1,176,245
Payable for distribution fee.....    0              562                0              562
Payable for shareholder
  service fee....................    0              562                0              562
Accrued expenses and other
  liabilities....................1,639            3,536                0            5,175
                             ---------       ----------          -------       ----------
                             6,299,817       10,022,049          196,225       16,518,091
                             ---------       ----------          -------       ----------

Net Assets Applicable
  to Outstanding
  Shares ............   $1,417,310,687   $1,118,975,023        ($196,225)  $2,536,089,485
==========================================================================================

CAPITAL SHARES (NOTE 3)
Outstanding..........    1,417,565,184    1,119,059,421                     2,536,624,605
==========================================================================================

Net Asset Value Per Share...     $1.00            $1.00                             $1.00
==========================================================================================

NET ASSETS CONSIST OF:
Capital paid in........ $1,417,565,184   $1,119,060,177        ($196,225)   2,536,429,136
Undistributed net
  investment loss..........         --             (849)                             (849)
Accumulated undistributed
  net realized gain (loss)
  from investment
  transactions ............   (254,497)         (84,305)                         (338,802)
- ------------------------------------------------------------------------------------------

                        $1,417,310,687   $1,118,975,023        ($196,225)  $2,536,089,485
==========================================================================================

Investor Class
Net assets ..........   $1,417,310,687              N/A   $1,115,853,130(2)$2,533,163,817
Shares outstanding
  (Note 3) ..........    1,417,565,184              N/A    1,116,133,749(2) 2,533,698,933
Net asset value
  per share .........            $1.00              N/A                             $1.00
Par value ...........              N/A              N/A                               N/A

Advisor Class
Net assets ..........              N/A              N/A       $2,925,668(2)    $2,925,668
Shares outstanding (Note 3)...     N/A              N/A        2,925,668(2)     2,925,668
Net asset value per share.....     N/A              N/A                             $1.00
Par value ...........              N/A              N/A                             $0.01

Investor Class
Net assets ..........              N/A   $1,116,049,355  ($1,116,049,355)(2)           $0
Shares outstanding (Note 3)...     N/A    1,116,133,749   (1,116,133,749)(2)            0
Net asset value per share.....     N/A            $1.00                               N/A
Par value ...........              N/A              N/A                               N/A

Advisor Class
Net assets ..........              N/A       $2,925,668      ($2,925,668)(2)           $0
Shares outstanding (Note 3)...     N/A        2,925,672       (2,925,672)(2)            0
Net asset value per share ....     N/A            $1.00            $1.00              N/A
Par value ...........              N/A              N/A              N/A              N/A


(1)  Adjustment  restates  Prime Money  Market Fund accrued  management  fees to
     reflect the unitary fee  structure of the proposed  reorganized  entity and
     the discontinuance of Prime's voluntary fee waiver.

(2)  Adjustment  to reflect the  issuance of Prime shares in exchange for shares
     of Cash  Reserve.  Also,  includes  adjustment  to reflect  the  additional
     management fee accrual to the Investor Class.

See Notes to Pro Forma Financial Statements


<PAGE>



BENHAM PRIME MONEY MARKET FUND
BENHAM CASH RESERVE FUND
PRO FORMA COMBINING STATEMENT OF OPERATIONS

                            Benham
                             Prime           Benham                             Pro
                             Money            Cash                             Forma
                            Market           Reserve                          Combined
                             Fund             Fund          Adjustments       (Note 1)
- ---------------------------------($ in Thousands)----------------------------------------
INVESTMENT INCOME
Income:
Interest ................  $73,727,790      $68,655,938               $0     $142,383,728

Expenses:
Management fees.............                  7,739,363        7,285,652 (1)   15,025,015
Investment advisory fees ... 6,282,235               --       (6,282,235)(1)            0
Transfer agency
  fees......................   765,989               --         (765,989)(1)            0
Administrative
  fees......................   476,721               --         (476,721)(1)            0
Printing and postage.........  255,358               --         (255,358)(1)            0
Custodian fees...............   92,513               --          (92,513)(1)            0
Trustees' fees and
  expenses...................   66,163           11,349          (11,349)(1)       66,163
Registration and
  filing fees................   52,224               --          (52,224)(1)            0
Auditing and legal
  fees.......................   23,907               --          (23,907)(1)            0
Distribution fee
  --Advisor Class............                     2,153                0            2,153
Shareholder service fees
  --Advisor Class............                     2,153                0            2,153
Other operating
  expenses...................   79,339               --          (79,339)(1)            0
  Total expenses.............8,094,449        7,755,018         (753,983)      15,095,484
- ------------------------------------------------------------------------------------------
Amount waived...............(1,590,729)         (87,349)       1,678,078 (1)            0
- ------------------------------------------------------------------------------------------
  Net expenses.............. 6,503,720        7,667,669          924,095       15,095,484
- ------------------------------------------------------------------------------------------
Net investment income.......67,224,070       60,988,269         (924,095)     127,288,244
- ------------------------------------------------------------------------------------------

REALIZED AND UNREALIZED
GAIN (LOSS) ON INVESTMENTS

Net realized gain (loss)....    24,038           (4,990)                           19,048
- ------------------------------------------------------------------------------------------
Change in net unrealized
  appreciation (depreciation) ..    --               --                                --
- ------------------------------------------------------------------------------------------
Net realized and
  unrealized gain
  (loss) on investments ....    24,038           (4,990)               0           19,048
- ------------------------------------------------------------------------------------------
Net Increase in Net
  Assets Resulting from
  Operations............   $67,248,108      $60,983,279        ($924,095)    $127,307,292
==========================================================================================

(1) Adjustment restates the management fee to reflect the combined net assets of
the Prime and Cash Reserve Funds and the expiration of Prime's fee waiver.  Note
that Prime implemented the unified fee structure on August 1, 1997.
<PAGE>
Notes to Pro Forma Financial Statements (unaudited)

1.   Basis  of  Combination-The   unaudited  Pro  Forma  Combining  Schedule  of
     Investments,  Pro Forma  Combining  Statement of Assets and Liabilities and
     Pro Forma  Combining  Statement of  Operations  reflect the accounts of the
     American  Century - Benham Prime Money  Market Fund and American  Century -
     Benham Cash Reserve Fund, at and for the year ended February 28, 1998.

     The pro forma statements give effect to the proposed transfer of the assets
     and stated liabilities of the non-surviving fund, American Century - Benham
     Cash Reserve Fund, in exchange for shares of the surviving entity, American
     Century - Benham Prime Money Market Fund.

     In accordance with generally accepted accounting principles, the historical
     cost of investment securities will be carried forward to the surviving fund
     and the results of operations for pre-combination periods for the surviving
     fund will not be  restated.  The pro forma  statements  do not  reflect the
     expenses of either fund in carrying out its obligation  under the Agreement
     and Plan of Reorganization.  Under the terms of the Plan of Reorganization,
     the  combination  of the  funds  will be  treated  as a  tax-free  business
     combination and accordingly will be accounted for by a method of accounting
     for tax-free mergers of investment  companies (sometimes referred to as the
     pooling without restatement method).

     The Pro Forma Combining  Schedule of  Investments,  Statement of Assets and
     Liabilities and Statement of Operations  should be read in conjunction with
     the historical  financial  statements of the funds included or incorporated
     by reference in the Statement of Additional Information.

2.   Portfolio   Valuation-Securities   are  valued  at  amortized  cost,  which
     approximates  current value.  When  valuations  are not readily  available,
     securities  are  valued at fair  value as  determined  in  accordance  with
     procedures adopted by the Board of Directors.

3.   Capital Shares-The pro forma net asset value per share assumes the issuance
     of shares of the  surviving  fund which  would have been issued at February
     28, 1998, in  connection  with the proposed  reorganization.  The number of
     shares  assumed  to be issued is equal to the net asset  value of shares of
     the non-surviving  fund, as of February 28, 1998,  divided by the net asset
     value per share of the  shares of the  surviving  fund as of  February  28,
     1998.  The pro forma total  number of shares  outstanding  for the combined
     fund consists of the following at February 28, 1998:

                                                        Additional Shares
    Combined     Total Outstanding      Shares of        Assumed Issued
      Fund             Shares         Surviving Fund    in Reorganization
      ----             ------         --------------    -----------------
Benham Prime
Money Market     
   Investor        2,533,698,933      1,417,565,184      1,116,133,749
   Advisor             2,925,668          2,925,668          2,925,668
</TABLE>
<PAGE>
PART C   OTHER INFORMATION


Item 15  Indemnification

         As  stated  in  Article  VII,  Section 3 of the  Amended  and  Restated
         Declaration of Trust,  incorporated herein by reference to Exhibit 1 to
         the  Registration  Statement,  "The  Trustees  shall  be  entitled  and
         empowered to the fullest extent permitted by law to purchase  insurance
         for and to provide by resolution  or in the Bylaws for  indemnification
         out of Trust  assets  for  liability  and for all  expenses  reasonably
         incurred  or paid or  expected  to be paid by a Trustee  of  officer in
         connection with any claim,  action,  suit, or proceeding in which he or
         she  becomes  involved  by  virtue  of his or her  capacity  or  former
         capacity with the Trust.  The provisions,  including any exceptions and
         limitations concerning  indemnification,  may be set forth in detail in
         the Bylaws or in a resolution adopted by the Board of Trustees."

         Registrant hereby incorporates by reference,  as though set forth fully
         herein, Section 7 of the Distribution Agreement, appearing as Exhibit 6
         of  Post-Effective  Amendment No. 28 to the  Registration  Statement of
         American Century Target Maturities Trust filed on January 30, 1998.

         Registrant hereby incorporates by reference,  as though set forth fully
         herein,  Article  VI of the  Registrant's  Bylaws,  amended on March 9,
         1998, appearing as Exhibit 2 to Post-Effective  Amendment No. 23 to the
         Registration  Statement of American  Century  Municipal  Trust filed on
         March 26, 1998.


Item 16  Exhibits

          (1)  (a) Amended and  Restated  Declaration  of Trust,  dated June 16,
               1993  and  amended  May  31,  1995,  is  incorporated  herein  by
               reference to Exhibit 1 of Post-Effective Amendment No. 3 filed on
               April 24, 1996.

               (b) Amendment to the Declaration of Trust dated October 21, 1996,
               is   incorporated   herein  by   reference   to   Exhibit  1b  of
               Post-Effective Amendment No. 5 filed on June 27, 1997.

          (2)  Amended  and   Restated   Bylaws,   dated  March  9,  1998,   are
               incorporated  herein by reference to Exhibit 2 of  Post-Effective
               Amendment  No.  23 to  the  Registration  Statement  of  American
               Century Municipal Trust filed on March 26, 1998.

          (3)  Not applicable.

          (4)  Agreement and Plan of Reorganization is filed herein.

          (5)  Not applicable.

          (6)  (a)  Management  Agreement  -  Investor  Class  between  American
               Century   Investment  Trust  and  American   Century   Investment
               Management, Inc., dated August 1, 1997, is incorporated herein by
               reference to Exhibit 5a of Post-Effective Amendment No. 33 to the
               Registration  Statement  of American  Century  Government  Income
               Trust, filed on July 31, 1997.

               (b) Management Agreement - Advisor Class between American Century
               Investment  Trust and  American  Century  Investment  Management,
               Inc.,  dated  August  1, 1997 and  amended  as of June 1, 1998 is
               incorporated  herein by reference to Exhibit 5b of Post-Effective
               Amendment No. 6 to the Registration Statement of American Century
               Investment Trust, filed on May 13, 1998.

          (7)  Distribution  Agreement between American Century Investment Trust
               and  Funds   Distributor,   Inc.,  dated  January  15,  1998,  is
               incorporated  herein by reference to Exhibit 6 of  Post-Effective
               Amendment  No.  28 to  the  Registration  Statement  of  American
               Century Target Maturities Trust, filed on January 30, 1998.

          (8)  Not applicable.

          (9)  Global Custody Agreement between The Chase Manhattan Bank and the
               Twentieth  Century and Benham  funds,  dated  August 9, 1996,  is
               incorporated  herein by reference to Exhibit 8 to  Post-Effective
               Amendment  No. 31 of American  Century  Government  Income  Trust
               filed on February 7, 1997.

          (10) (a) Master Distribution and Shareholder Services Plan of American
               Century Government Income Trust,  American Century  International
               Bond Fund,  American Century  Investment Trust,  American Century
               Target Maturities Trust and American Century  Quantitative Equity
               Funds (Advisor Class) dated August 1, 1997, is filed herein.

               (b)  Multiple  Class Plan of American  Century  Investment  Trust
               dated  August 1, 1997,  is  incorporated  herein by  reference to
               Exhibit 18 of Post-Effective Amendment No. 27 to the Registration
               Statement of American Century Target Maturities  Trust,  filed on
               August 28, 1997.

               (c)  Amendment  to  Multiple  Class  Plan  of  American   Century
               Investment Trust dated April 1, 1998 is filed herein.

          (11) Opinion  and  Consent  of  Counsel  as to  the  legality  of  the
               securities being registered is filed herein.

          (12) Opinion  and  Consent  of  Counsel  as to  the  tax  matters  and
               consequences to shareholders is filed herein.

          (13) Transfer Agency  Agreeement  between American Century  Investment
               Trust and American Century Services  Corporation  dated August 1,
               1997,  is  incorporated  herein  by  reference  to  Exhibit  9 of
               Post-Effective  Amendment No. 33 to the Registration Statement of
               American Century Government Income Trust filed on July 31, 1997.

          (14) (a) Consent of Deloitte & Touche LLP is incorporated by reference
               to Exhibit 14a to Form N-14 filed on April 17, 1998.

               (b) Consent of Coopers & Lybrand is  incorporated by reference to
               Exhibit 14b to Form N-14 filed on April 17, 1998.

               (c) Consent of Baird, Kurtz and Dobson is filed herein.

               (d) Consent of KPMG Peat Marwick is filed herein.

          (15) Not applicable.

          (16) Power of  Attorney  dated  January 15,  1998, is incorporated  by
               reference to Exhibit 16 to Form N-14 filed on April 17, 1998.

          (17) (a) Form of Proxy is filed herein.

               (b) Prospectus dated March 1, 1998, for American Century - Benham
               Cash Reserve Fund filed as part of  Post-Effective  Amendment No.
               78 to the  Registration  Statement  of  American  Century  Mutual
               Funds,  Inc. on February  26,  1998,  is  incorporated  herein by
               reference.

               (c) Statement of Additional  Information dated March 1, 1998, for
               American  Century - Benham  Cash  Reserve  Fund  filed as part of
               Post-Effective  Amendment No. 78 to the Registration Statement of
               American  Century  Mutual  Funds,  Inc. on February 26, 1998,  is
               incorporated herein by reference.

               (d) Prospectus  dated July 1, 1998, for American Century - Benham
               Prime  Money  Market  Fund  filed  as a  part  of  Post-Effective
               Amendment No. 6 to the Registration Statement of American Century
               Investment  Trust on May 13,  1998,  is  incorporated  herein  by
               reference.

               (e) Statement of Additional  Information  dated July 1, 1998, for
               American Century - Benham Prime Money Market Fund filed as a part
               of Post-Effective  Amendment No. 6 to the Registration  Statement
               of  American  Century  Investment  Trust  on  May  13,  1998,  is
               incorporated herein by reference.

               (f) Annual Report dated October 31, 1997, for American  Century -
               Benham  Cash  Reserve  Fund  filed  on  December  29,  1997,   is
               incorporated herein by reference.

               (g) Annual Report dated October 31, 1996, for American  Century -
               Benham  Cash  Reserve  Fund  filed  on  December  23,  1996,   is
               incorporated herein by reference.

               (h) Annual Report dated February 28, 1998, for American Century -
               Benham  Prime  Money  Market  Fund  filed on April 24,  1998,  is
               incorporated herein by reference.

               (i) Annual Report dated February 28, 1997, for American Century -
               Benham  Prime  Money  Market  Fund  filed on April 23,  1997,  is
               incorporated herein by reference.



Item 17  Undertakings

          (a)  The  undersigned  Registrant  agrees  that  prior  to any  public
               reoffering  of the  securities  registered  through  the use of a
               prospectus which is a part of this registration  statement by any
               person or party who is deemed  to be an  underwriter  within  the
               meaning of Rule 145(c) of the Securities Act of 1933, as amended,
               the reoffering prospectus will contain the information called for
               by the applicable  registration  form for  reofferings by persons
               who may be deemed  underwriters,  in addition to the  information
               called for by the other items of the applicable form.

          (b)  The undersigned  Registrant  agrees that every prospectus that is
               filed  under  paragraph  (1) above  will be filed as a part of an
               amendment  to the  registration  statement  and  will not be used
               until the amendment is effective,  and that, in  determining  any
               liability under the 1933 Act, each post-effective amendment shall
               be deemed to be a new  registration  statement for the securities
               offered therein,  and the offering of the securities at that time
               shall be deemed to be the initial bona fide offering of them.

          (c)  Insofar  as  indemnification  for  liability  arising  under  the
               Securities  Act of 1933 may be permitted to  directors,  officers
               and  controlling  persons  of  the  registrant  pursuant  to  the
               foregoing  provisions,  or  otherwise,  the  registrant  has been
               advised  that  in the  opinion  of the  Securities  and  Exchange
               Commission  such  indemnification  is  against  public  policy as
               expressed  in the Act and is,  therefore,  unenforceable.  In the
               event that a claim for  indemnification  against such liabilities
               (other than the payment by the registrant of expenses incurred or
               paid  by  a  director,  officer  or  controlling  person  of  the
               registrant  in the  successful  defense  of any  action,  suit or
               proceeding) is asserted by such director,  officer or controlling
               person in connection with the securities  being  registered,  the
               registrant will,  unless in the opinion of its counsel the matter
               has been settled by controlling  precedent,  submit to a court of
               appropriate    jurisdiction    the    question    whether    such
               indemnification  by it is against  public  policy as expressed in
               the Act and will be  governed by the final  adjudication  of such
               issue.
<PAGE>
                                   SIGNATURES

As  required  by the  Securities  Act of 1933,  as  amended,  this  Registration
Statement  has been  signed on behalf of the  Registrant,  in the City of Kansas
City, State of Missouri, on the 19th day of May, 1998.

                            AMERICAN CENTURY INVESTMENT TRUST (Registrant)

                            By: /s/ Patrick A. Looby
                                Patrick A. Looby
                                Vice President

As  required  by the  Securities  Act of 1933,  as  amended,  this  Registration
Statement has been signed by the following  persons in the capacities and on the
dates indicated.
<TABLE>
<CAPTION>
                                                                      Date
<S>                                  <C>                         <C>
*Richard W. Ingram                   President, Principal        May 19, 1998
- ---------------------------------    Executive and Principal
Richard W. Ingram                    Financial Officer

*Maryanne Roepke                     Vice President, Treasurer   May 19, 1998
- ---------------------------------    and Principal Accounting
Maryanne Roepke                      Officer

*Albert A. Eisenstat                 Director                    May 19, 1998
- ---------------------------------
Albert A. Eisenstat

*Ronald J. Gilson                    Director                    May 19, 1998
- ---------------------------------
Ronald J. Gilson

*William M. Lyons                    Director                    May 19, 1998
- ---------------------------------
William M. Lyons

*Myron S. Scholes                    Director                    May 19, 1998
- ---------------------------------
Myron S. Scholes

*Kenneth E. Scott                    Director                    May 19, 1998
- ---------------------------------
Kenneth E. Scott

*Isaac Stein                         Director                    May 19, 1998
- ---------------------------------
Isaac Stein

*James E. Stowers III                Director                    May 19, 1998
- ---------------------------------
James E. Stowers III

*Jeanne D. Wohlers                   Director                    May 19, 1998
- ---------------------------------
Jeanne D. Wohlers
</TABLE>

*By /s/ Patrick A. Looby
     Patrick A. Looby
     Attorney-in-Fact

                                  EXHIBIT INDEX

EXHIBIT        DESCRIPTION


EX-99.1a       Amended and Restated  Declaration  of Trust,  dated June 16, 1993
               and amended May 31, 1995, is incorporated  herein by reference to
               Exhibit 1 of  Post-Effective  Amendment  No. 3 filed on April 24,
               1996.

EX-99.1b       Amendment to the  Declaration of Trust dated October 21, 1996, is
               incorporated  herein by reference to Exhibit 1b of Post-Effective
               Amendment No. 5 filed on June 27, 1997.

EX-99.2        Amended  and   Restated   Bylaws,   dated  March  9,  1998,   are
               incorporated  herein by reference to Exhibit 2 of  Post-Effective
               Amendment  No.  23 to  the  Registration  Statement  of  American
               Century Municipal Trust filed on March 26, 1998.

EX-99.4        Agreement and Plan of Reorganization is filed herein.

Ex-99.6a       Management  Agreement - Investor Class between  American  Century
               Investment  Trust and  American  Century  Investment  Management,
               Inc.,  dated August 1, 1997, is incorporated  herein by reference
               to  Exhibit  5a  of  Post-Effective   Amendment  No.  33  to  the
               Registration  Statement  of American  Century  Government  Income
               Trust, filed on July 31, 1997.

EX-99.6b       Management  Agreement - Advisor  Class between  American  Century
               Investment  Trust and  American  Century  Investment  Management,
               Inc.,  dated  August 1, 1997 as amended  as of June 1,  1998,  is
               incorporated  herein by reference to Exhibit 5b of Post-Effective
               Amendment No. 6 to the Registration Statement of American Century
               Investment Trust, filed on May 13, 1998.

EX-99.7        Distribution  Agreement between American Century Investment Trust
               and  Funds   Distributor,   Inc.,  dated  January  15,  1998,  is
               incorporated  herein by reference to Exhibit 6 of  Post-Effective
               Amendment  No.  28 to  the  Registration  Statement  of  American
               Century Target Maturities Trust, filed on January 30, 1998.

EX-99.9        Global Custody Agreement between The Chase Manhattan Bank and the
               Twentieth  Century and Benham  funds,  dated  August 9, 1996,  is
               incorporated  herein by reference to Exhibit 8 to  Post-Effective
               Amendment  No. 31 of American  Century  Government  Income  Trust
               filed on February 7, 1997.

EX-99.10a      Master  Distribution  and  Shareholder  Services Plan of American
               Century Government Income Trust,  American Century  International
               Bond Fund,  American Century  Investment Trust,  American Century
               Target Maturities Trust and American Century  Quantitative Equity
               Funds (Advisor Class) dated August 1, 1997, is filed herein.

EX-99.10b      Multiple  Class  Plan  of  American   Century   American  Century
               Investment Trust dated August 1, 1997, is incorporated  herein by
               reference to Exhibit 18 of Post-Effective Amendment No. 27 to the
               Registration  Statement  of American  Century  Target  Maturities
               Trust, filed on August 28, 1997.

EX-99.10c      Amendment to Multiple Class Plan of American  Century  Investment
               Trust dated April 1, 1998 is filed herein.

EX-99.11       Opinion  and  Consent  of  Counsel  as to  the  legality  of  the
               securities being registered is filed herein.

Ex-99.12       Opinion  and  Consent  of  Counsel  as to  the  tax  matters  and
               consequences to shareholders is filed herein.

EX-99.13       Transfer Agency  Agreeement  between American Century  Investment
               Trust and American Century Services  Corporation  dated August 1,
               1997,  is  incorporated  herein  by  reference  to  Exhibit  9 of
               Post-Effective  Amendment No. 33 to the Registration Statement of
               American Century Government Income Trust filed on July 31, 1997.

EX-99.14a      Consent  of  Deloitte  & Touche  LLP is  incorporated  herein  by
               reference to Exhibit 14a of Form N-14 filed on April 17, 1998.

EX-99.14b      Consent of Coopers & Lybrand is incorporated  herein by reference
               to Exhibit 14b of Form N-14 filed on April 17, 1998.

EX-99.14c      Consent of Baird, Kurtz and Dobson is filed herein.

EX-99.14d      Consent of KPMG Peat Marwick is filed herein.

EX-99.16       Power of Attorney dated January 15, 1998 is  incorporated  herein
               by reference to Exhibit 16 of Form N-14 filed on April 17, 1998.

EX-99.17a      Form of Proxy is filed herein.

EX-99.17b      Prospectus  dated March 1, 1998,  for  American  Century - Benham
               Cash Reserve Fund filed as part of  Post-Effective  Amendment No.
               78 to the  Registration  Statement  of  American  Century  Mutual
               Funds,  Inc. on February  26,  1998 , is  incorporated  herein by
               reference.

EX-99.17c      Statement  of  Additional  Information  dated March 1, 1998,  for
               American  Century - Benham  Cash  Reserve  Fund  filed as part of
               Post-Effective  Amendment No. 78 to the Registration Statement of
               American  Century  Mutual  Funds,  Inc. on February 26, 1998,  is
               incorporated herein by reference.

EX-99.17d      Prospectus  dated July 1,  1998,  for  American  Century - Benham
               Prime  Money  Market  Fund  filed  as a  part  of  Post-Effective
               Amendment No. 6 to the Registration Statement of American Century
               Investment  Trust on May 13,  1998,  is  incorporated  herein  by
               reference.

EX-99.17e      Statement  of  Additional  Information  dated July 1,  1998,  for
               American Century - Benham Prime Money Market Fund filed as a part
               of Post-Effective  Amendment No. 6 to the Registration  Statement
               of  American  Century  Investment  Trust  on  May  13,  1998,  is
               incorporated herein by reference.

EX-99.17f      Annual  Report  dated  October 31, 1997,  for American  Century -
               Benham  Cash  Reserve  Fund  filed  on  December  29,  1997,   is
               incorporated herein by reference.

EX-99.17g      Annual  Report  dated  October 31, 1996,  for American  Century -
               Benham  Cash  Reserve  Fund  filed  on  December  23,  1996,   is
               incorporated herein by reference.

EX-99.17h      Annual  Report dated  February 28, 1998,  for American  Century -
               Benham  Prime  Money  Market  Fund  filed on April 24,  1998,  is
               incorporated herein by reference.

EX-99.17i      Annual  Report dated  February 28, 1997,  for American  Century -
               Benham  Prime  Money  Market  Fund  filed on April 23,  1997,  is
               incorporated herein by reference.

                      AGREEMENT AND PLAN OF REORGANIZATION

                                 BY AND BETWEEN

                        AMERICAN CENTURY INVESTMENT TRUST

                                       and

                       AMERICAN CENTURY MUTUAL FUNDS, INC.



                               DATED May 15, 1998


                                TABLE OF CONTENTS



1.       Transfer of Assets of Cash Reserve.....................................
2.       Liquidating Distribution and Termination of Cash Reserve...............
3.       Valuation Time.........................................................
4.       Certain Representations, Warranties and Agreements of ACMF.............
5.       Certain Representations, Warranties and Agreements of ACIT.............
6.       Shareholder Action on Behalf of Cash Reserve...........................
7.       Registration Statement and Proxy Solicitation Materials................
8.       Effective Time of the Reorganization...................................
9.       ACIT's Conditions......................................................
10.      ACMF's Conditions......................................................
11.      Tax Documents..........................................................
12.      Further Assurances.....................................................
13.      Termination of Representations and Warranties..........................
14.      Termination of Agreement...............................................
15.      Amendment and Waiver...................................................
16.      Governing Law..........................................................
17.      Successors and Assigns.................................................
18.      Beneficiaries..........................................................
19.      ACIT Liability.........................................................
20.      ACMF Liability.........................................................
21.      Notices................................................................
22.      Expenses...............................................................
23.      Entire Agreement.......................................................
24.      Counterparts...........................................................
<PAGE>
                      AGREEMENT AND PLAN OF REORGANIZATION

         AGREEMENT  AND PLAN OF  REORGANIZATION  made as of May 15,  1998 by and
between  American  Century  Investment  Trust,  a  Massachusetts  business trust
("ACIT"),  and American  Century  Mutual  Funds,  Inc.,  a Maryland  corporation
("ACMF").

         WHEREAS,  the parties desire that  substantially  all of the assets and
liabilities  of  the  Cash  Reserve   portfolio  of  ACMF  ("Cash  Reserve")  be
transferred to, and be acquired and assumed by, the Prime Money Market portfolio
of ACIT  ("Prime")  in exchange  for shares of Prime which shall  thereafter  be
distributed  by ACMF to the holders of shares of Cash Reserve,  all as described
in this Agreement (the "Reorganization");

         WHEREAS, the parties intend that the transfer of assets,  assumption of
liabilities and  distribution of shares in Cash Reserve be treated as a tax-free
reorganization  under  Section  368(a) of the Internal  Revenue Code of 1986, as
amended (the "Code"); and

         WHEREAS,  the parties intend that in connection with the Reorganization
Cash  Reserve  shall  be  terminated  and  de-registered  as  described  in this
Agreement.

         NOW, THEREFORE, in consideration of the mutual covenants and agreements
hereinafter  set forth and  subject  to the terms  and  conditions  hereof,  and
intending to be legally bound hereby, ACMF and ACIT agree as follows:

1.       TRANSFER OF ASSETS OF CASH RESERVE.

         1.1.     At the  Effective  Time (as  defined in Section 8), ACMF shall
                  transfer and convey to ACIT, on behalf of Prime,  all property
                  of every description,  and all interests,  rights,  privileges
                  and powers of Cash Reserve  (such  assets,  the "Cash  Reserve
                  Assets").  Simultaneously,  ACIT  shall,  on  behalf of Prime,
                  accept   the  Cash   Reserve   Assets  and  assume  all  known
                  liabilities,   whether   accrued,   absolute,   contingent  or
                  otherwise,  of Cash Reserve  reflected in the  calculation  of
                  Cash   Reserve's   net  asset   value   (the   "Cash   Reserve
                  Liabilities").  As a result,  at and after the Effective Time:
                  (i) all assets of Cash Reserve  shall become and be the assets
                  of  Prime;  and (ii) all  known  liabilities  of Cash  Reserve
                  reflected as such in the  calculation  of Cash  Reserve's  net
                  asset  value  shall  attach  to  Prime  as  aforesaid  and may
                  thenceforth be enforced  against Prime to the extent as if the
                  same had been incurred by it. Without  limiting the generality
                  of the  foregoing,  the Cash Reserve  Assets shall include all
                  property  and  assets  of any  nature  whatsoever,  including,
                  without  limitation,  all cash, cash equivalents,  securities,
                  other investments,  claims and receivables (including dividend
                  and  interest  receivables)  owned  by Cash  Reserve,  and any
                  deferred  or  prepaid  expenses  shown  as an  asset  on  Cash
                  Reserve's  books at the  Effective  Time,  and all good  will,
                  other intangible  property and books and records  belonging to
                  Cash  Reserve.  Recourse  by any person  for the Cash  Reserve
                  Liabilities assumed by Prime shall, at and after the Effective
                  Time, be limited to Prime.

         1.2.     In exchange for the  transfer of the Cash  Reserve  Assets and
                  the  assumption  of the Cash Reserve  Liabilities,  ACIT shall
                  simultaneously  issue at the Effective  Time to Cash Reserve a
                  number of full and  fractional  shares  (to the third  decimal
                  place) of Prime,  all  determined  and adjusted as provided in
                  this  Agreement.  The number of shares of Prime so issued will
                  have an  aggregate  net asset  value equal to the value of the
                  Cash Reserve Assets, less the Cash Reserve  Liabilities,  that
                  are  represented  by shares of Cash  Reserve,  the  holders of
                  which  shall  receive  shares of  Prime,  all  determined  and
                  adjusted as provided in this Agreement.

         1.3.     The net asset  values  of shares of Prime and of Cash  Reserve
                  shall be determined  as of the  Valuation  Time, as defined in
                  Section 3.

         1.4.     The net asset  value of shares of Prime  shall be  computed in
                  the manner set forth in Prime's then-current  prospectus under
                  the Securities  Act of 1933, as amended (the "1933 Act").  The
                  net asset value of the Cash Reserve  Assets to be  transferred
                  by ACMF  shall be  computed  by ACMF and shall be  subject  to
                  adjustment by the amount,  if any, agreed to by ACIT and ACMF.
                  In determining the value of the securities transferred by Cash
                  Reserve to Prime,  each security shall be priced in accordance
                  with the policies and  procedures  of ACIT as described in its
                  then  current   prospectus   and   statement   of   additional
                  information and adopted by ACIT's Board of Trustees, which are
                  and shall be  consistent  with the  policies now in effect for
                  ACMF.  Price  quotations  and  the  security   characteristics
                  relating to establishing  such quotations  shall be determined
                  by ACIT,  provided that such determination shall be subject to
                  the approval of ACMF.

2.       LIQUIDATING DISTRIBUTION AND TERMINATION OF CASH RESERVE.

         Immediately  after the Effective Time, Cash Reserve shall distribute in
         complete  liquidation  pro rata to the record  holders of its shares at
         the  Effective  Time the shares of Prime to be  received  by the record
         holders of Cash Reserve.  In accordance  with  instructions it receives
         from ACMF,  ACIT shall  record on its books the  ownership of shares of
         Prime by the  record  holders  of  shares of Cash  Reserve.  All of the
         issued and  outstanding  shares of Cash  Reserve  shall be redeemed and
         canceled  on  the  books  of  ACMF  at the  Effective  Time  and  shall
         thereafter represent only the right to receive the shares of Prime, and
         Cash Reserve's transfer books shall be closed  permanently.  As soon as
         practicable  after the  Effective  Time,  ACMF  shall take all steps as
         shall be necessary and proper to effect the dissolution of Cash Reserve
         under federal and state law. After the Effective  Time,  ACMF shall not
         conduct any business with respect to Cash Reserve  except in connection
         with Cash Reserve's liquidation and dissolution.

3.       VALUATION TIME.

         Subject  to  Section   1.4   hereof,   the   Valuation   Time  for  the
         Reorganization  shall be as of 4:00 p.m.  Eastern Time, on such date as
         may be agreed by the duly authorized officers of both parties hereto.

4.       CERTAIN REPRESENTATIONS, WARRANTIES AND AGREEMENTS OF ACMF.

         ACMF, on behalf of itself and Cash Reserve, represents and warrants to,
         and agrees with, ACIT as follows:

         4.1.     ACMF is a Maryland  corporation  duly created  pursuant to its
                  Articles  of  Incorporation  for the  purpose  of  acting as a
                  management  investment  company  under  the  1940  Act  and is
                  validly  existing  under the laws of, and duly  authorized  to
                  transact  business in, the State of Maryland.  Cash Reserve is
                  registered  with the Securities and Exchange  Commission  (the
                  "SEC") as an open-end management  investment company under the
                  Investment  Company Act of 1940,  as amended (the "1940 Act"),
                  and such registration is in full force and effect.

         4.2.     It has  power to own all of its  properties  and  assets  and,
                  subject to the approval of shareholders referred to herein, to
                  carry out and consummate the transactions contemplated hereby,
                  and has all necessary federal,  state and local authorizations
                  to  carry  on its  business  as  now  being  conducted  and to
                  consummate the transactions contemplated by this Agreement.

         4.3.     This  Agreement  has  been  duly   authorized,   executed  and
                  delivered  by ACMF,  and  represents  ACMF's valid and binding
                  contract, enforceable in accordance with its terms, subject as
                  to  enforcement  to  bankruptcy,  insolvency,  reorganization,
                  arrangement,  moratorium,  and other  similar  laws of general
                  applicability  relating to or affecting  creditors' rights and
                  to general principles of equity. The execution and delivery of
                  this Agreement does not and will not, and the  consummation of
                  the  transactions  contemplated  by this  Agreement  will not,
                  violate  ACMF's  Articles of  Incorporation,  By-laws,  or any
                  agreement or arrangement to which it is a party or by which it
                  is bound.

         4.4.     Cash  Reserve has elected to qualify  and has  qualified  as a
                  "regulated  investment  company"  under Subtitle A, Chapter 1,
                  Subchapter  M, Part I of the  Code,  as of and since its first
                  taxable year; has been a regulated  investment  company at all
                  times  since  the end of its  first  taxable  year  when it so
                  qualified;  and qualifies  and shall  continue to qualify as a
                  regulated investment company until the Effective Time.

         4.5.     All  federal,   state,  local  and  foreign  income,  profits,
                  franchise,  sales,  withholding,  customs,  transfer and other
                  taxes,  including  interest,  additions  to tax and  penalties
                  (collectively, "Taxes") relating to the Cash Reserve Assets or
                  properly  shown to be due on any return  filed by Cash Reserve
                  with respect to taxable periods ending on or prior to, and the
                  portion of any interim period up to, the date hereof have been
                  fully  and  timely  paid or  provided  for;  and  there are no
                  levies,   liens,  or  other  encumbrances  relating  to  Taxes
                  existing,  threatened  or  pending  with  respect  to the Cash
                  Reserve Assets.

         4.6.     The  financial  statements of Cash Reserve for the fiscal year
                  ended  October  31,  1997,  audited by  Deloitte & Touche LLP,
                  independent  auditors,  copies of which  have been  previously
                  furnished to ACIT,  present  fairly the financial  position of
                  Cash  Reserve as of October  31,  1997 and the  results of its
                  operations  for the  year  then  ending,  in  conformity  with
                  generally accepted accounting principles.

         4.7.     Prior to the Valuation  Time, Cash Reserve shall have declared
                  a dividend or  dividends,  with a record date and  ex-dividend
                  date prior to such Valuation  Time,  which,  together with all
                  previous  dividends,  shall have the effect of distributing to
                  its shareholders all of its investment company taxable income,
                  if any,  for the  taxable  periods or years ended on or before
                  Cash Reserve's most recent fiscal year end, and for the period
                  from said date to and including the Effective  Time  (computed
                  without regard to any deduction for dividends  paid),  and all
                  of its net capital gain, if any,  realized in taxable  periods
                  or years ended on or before Cash Reserve's fiscal year end and
                  for the period from said date to and  including  the Effective
                  Time.  Such  dividends  will be paid to  shareholders  of Cash
                  Reserve prior to the Effective Time.

         4.8.     At both the Valuation Time and the Effective Time, there shall
                  be no known  liabilities  of Cash  Reserve,  whether  accrued,
                  absolute,  contingent or  otherwise,  not reflected in the net
                  asset value per share of its outstanding shares.

         4.9.     There  are  no  legal,  administrative  or  other  proceedings
                  pending or, to ACMF's  knowledge  threatened,  against ACMF or
                  Cash  Reserve  which could  result in liability on the part of
                  Cash Reserve.

         4.10.    Subject to the approval of shareholders, at both the Valuation
                  Time and the Effective  Time, it shall have full right,  power
                  and authority to sell,  assign,  transfer and deliver the Cash
                  Reserve  Assets and,  upon  delivery  and payment for the Cash
                  Reserve  Assets as  contemplated  herein,  Prime shall acquire
                  good and marketable title thereto, free and clear of all liens
                  and  encumbrances,  and  subject  to no  restrictions  on  the
                  ownership or transfer thereof (except as imposed by federal or
                  state securities laws).

         4.11.    No consent,  approval,  authorization or order of any court or
                  governmental  authority  is required for the  consummation  by
                  ACMF  of the  transactions  contemplated  by  this  Agreement,
                  except  such  as may be  required  under  the  1933  Act,  the
                  Securities  Exchange Act of 1934, as amended (the "1934 Act"),
                  the 1940 Act, the rules and regulations  under those Acts, and
                  state securities laws.

         4.12.    Insofar  as the  following  relate to ACMF,  the  registration
                  statement filed by ACIT on Form N-14 relating to the shares of
                  Prime that will be  registered  with the SEC  pursuant to this
                  Agreement,  which,  without limitation,  shall include a proxy
                  statement of ACMF and the  prospectus  of ACIT with respect to
                  the  transactions  contemplated  by  this  Agreement,  and any
                  supplement or amendment thereto or to the documents  contained
                  or incorporated  therein by reference (the "N-14  Registration
                  Statement"),  on the effective  date of the N-14  Registration
                  Statement,  at the time of any shareholders'  meeting referred
                  to herein and at the Effective  Time:  (i) shall comply in all
                  material  respects  with the  provisions  of the 1933 Act, the
                  1934  Act  and  the  1940  Act,  the  rules  and   regulations
                  thereunder,  and state  securities  laws,  and (ii)  shall not
                  contain  any untrue  statement  of a material  fact or omit to
                  state  a  material  fact  required  to be  stated  therein  or
                  necessary  to make  the  statements  therein  not  misleading;
                  provided,  however, that the representations and warranties in
                  this subsection shall apply only to statements in or omissions
                  from the N-14 Registration Statement made in reliance upon and
                  in conformity  with  information  furnished by ACMF for use in
                  the N-14 Registration Statement.

         4.13.    All of the issued and outstanding  shares of Cash Reserve have
                  been   duly  and   validly   issued,   are   fully   paid  and
                  non-assessable,   and  were  offered  for  sale  and  sold  in
                  conformity  with all applicable  federal and state  securities
                  laws,  and no  shareholder  of Cash Reserve has any preemptive
                  right of subscription or purchase in respect of such shares.

5.       CERTAIN REPRESENTATIONS, WARRANTIES AND AGREEMENTS OF ACIT.

         ACIT,  on behalf of itself and Prime,  represents  and warrants to, and
         agrees with, ACMF as follows:

         5.1.     ACIT is a Massachusetts  business trust duly created  pursuant
                  to a  Declaration  of Trust  for the  purpose  of  acting as a
                  management  investment  company  under  the  1940  Act  and is
                  validly  existing  under the laws of, and duly  authorized  to
                  transact business in, the Commonwealth of Massachusetts. Prime
                  is  registered   with  the  SEC  as  an  open-end   management
                  investment company under the 1940 Act and such registration is
                  in full force and effect.

         5.2.     It has the power to own all of its  properties  and assets and
                  to carry  out and  consummate  the  transactions  contemplated
                  herein,  and  has  all  necessary  federal,  state  and  local
                  authorizations to carry on its business as now being conducted
                  and  to  consummate  the  transactions  contemplated  by  this
                  Agreement.

         5.3.     This  Agreement  has  been  duly   authorized,   executed  and
                  delivered  by ACIT,  and  represents  ACIT's valid and binding
                  contract, enforceable in accordance with its terms, subject as
                  to  enforcement  to  bankruptcy,  insolvency,  reorganization,
                  arrangement,  moratorium,  and other  similar  laws of general
                  applicability  relating to or affecting  creditors' rights and
                  to general principles of equity. The execution and delivery of
                  this   Agreement  did  not,  and  the   consummation   of  the
                  transactions  contemplated by this Agreement will not, violate
                  ACIT's  Declaration  of Trust or By-laws or any  agreement  or
                  arrangement to which it is a party or by which it is bound.

         5.4.     Prime  has  elected  to  qualify,  and  has  qualified,  as  a
                  "regulated  investment  company"  under Subtitle A, Chapter 1,
                  Subchapter  M, Part I of the  Code,  as of and since its first
                  taxable year; and has been a regulated  investment  company at
                  all times since the end of its first  taxable  year when it so
                  qualified  and  intends to  continue to qualify as a regulated
                  investment company.

         5.5.     The  financial  statements  of Prime for its fiscal year ended
                  March 31,  1998,  audited by  Coopers &  Lybrand,  independent
                  auditors,  copies of which have been  previously  furnished to
                  ACMF,  present  fairly the  financial  position of Prime as of
                  March 31, 1998 and the results of its  operations for the year
                  then ending, in conformity with generally accepted  accounting
                  principles.

         5.6.     At both the Valuation Time and the Effective Time, there shall
                  be no known liabilities of Prime,  whether accrued,  absolute,
                  contingent or otherwise,  not reflected in the net asset value
                  per  share  of  its  shares  to be  issued  pursuant  to  this
                  Agreement.

         5.7.     There  are  no  legal,  administrative  or  other  proceedings
                  pending or, to its knowledge, threatened against ACIT or Prime
                  that could result in liability on the part of ACIT or Prime.

         5.8.     No consent,  approval,  authorization or order of any court or
                  governmental  authority  is required for the  consummation  by
                  ACIT  of the  transactions  contemplated  by  this  Agreement,
                  except  such as may be required  under the 1933 Act,  the 1934
                  Act, the 1940 Act, the rules and regulations under those Acts,
                  and state securities laws.

         5.9.     Insofar as the following relate to ACIT, the N-14 Registration
                  Statement  on  its   effective   date,  at  the  time  of  any
                  shareholders' meetings referred to herein and at the Effective
                  Time:  (i) shall  comply  in all  material  respects  with the
                  provisions of the 1933 Act, the 1934 Act and the 1940 Act, the
                  rules and regulations  thereunder,  and state securities laws,
                  and (ii) shall not contain any untrue  statement of a material
                  fact or omit to state a material  fact  required  to be stated
                  therein  or  necessary  to make  the  statements  therein  not
                  misleading;  provided,  however,  that the representations and
                  warranties in this  subsection  shall apply only to statements
                  in or omissions from the N-14  Registration  Statement made in
                  reliance upon and in conformity with information  furnished by
                  ACIT for use in the N-14 Registration Statement.

         5.10.    The shares of Prime to be issued and delivered to Cash Reserve
                  for the  account of record  holders of shares of Cash  Reserve
                  pursuant to the terms hereof  shall have been duly  authorized
                  as of the Effective  Time and,  when so issued and  delivered,
                  shall be  registered  under  the 1933  Act,  duly and  validly
                  issued,  fully paid and non-assessable,  and no shareholder of
                  ACIT  shall  have  any  preemptive  right of  subscription  or
                  purchase in respect thereto.

6.       SHAREHOLDER ACTION ON BEHALF OF CASH RESERVE.

         6.1.     As soon as  practicable  after the effective  date of the N-14
                  Registration  Statement,   but  in  any  event  prior  to  the
                  Effective Time and as a condition to the  Reorganization,  the
                  Board of Directors of ACMF shall call,  and ACMF shall hold, a
                  meeting of the shareholders of Cash Reserve for the purpose of
                  considering and voting upon:

                  6.1.1.   Approval  of  this  Agreement  and  the  transactions
                           contemplated hereby, including, without limitation:

                           6.1.1.1. The transfer of the Cash  Reserve  Assets to
                                    Prime,  and the  assumption  by Prime of the
                                    Cash  Reserve  Liabilities,  in exchange for
                                    shares  of  Prime,   as  described  in  this
                                    Agreement; and

                           6.1.1.2. The  liquidation of Cash Reserve through the
                                    distribution to its record holders of shares
                                    of the shares of Prime as  described in this
                                    Agreement; and

                  6.1.2.   Such other  matters as may be determined by the Board
                           of Directors or authorized officers of the parties.

         6.2.     Approval of this Reorganization  Agreement by the shareholders
                  of Cash Reserve shall constitute the waiver of the application
                  of any fundamental policy of Cash Reserve that might be deemed
                  to  prevent   them  from  taking  the  actions   necessary  to
                  effectuate the Reorganization as described, and such policies,
                  if any, shall be deemed to have been amended accordingly.

7.       REGISTRATION STATEMENT AND PROXY SOLICITATION MATERIALS.

         The N-14  Registration  Statement  under  the 1933 Act,  including  the
         combined  prospectus/proxy  statement  contained therein under the 1934
         Act and 1940 Act proxy  rules,  shall be filed with the SEC as promptly
         as  practicable.  ACIT and ACMF have  cooperated  and shall continue to
         cooperate  with each other,  and have  furnished and shall  continue to
         furnish each other with the information  relating to themselves that is
         required  by the 1933 Act,  the 1934 Act,  the 1940 Act,  the rules and
         regulations  under each of those Acts and state  securities laws, to be
         included in the N-14 Registration Statement.

8.       EFFECTIVE TIME OF THE REORGANIZATION.

         Delivery  of the Cash  Reserve  Assets  and the  shares  of Prime to be
         issued  pursuant  to  Section  1 and the  liquidation  of Cash  Reserve
         pursuant  to Section 2 shall  occur at the  opening of  business on the
         next business day following the Valuation  Time, or on such other date,
         and at such place and time,  as may be  determined  by the President or
         any Vice  President  of each party  hereto.  The date and time at which
         such actions are taken are referred to herein as the "Effective  Time."
         To the extent any of the Cash Reserve  Assets are, for any reason,  not
         transferred at the Effective  Time,  ACMF shall cause such Cash Reserve
         Assets to be  transferred  in  accordance  with this  Agreement  at the
         earliest practicable date thereafter.

9.       ACIT'S CONDITIONS.

         The  obligations  of ACIT  hereunder  with  respect  to Prime  shall be
         subject to the following conditions precedent:

         9.1.     This  Agreement  and  the  transactions  contemplated  by this
                  Agreement shall have been approved by the shareholders of Cash
                  Reserve, in the manner required by law.

         9.2.     ACMF shall have duly executed and delivered to ACIT such bills
                  of sale,  assignments,  certificates and other  instruments of
                  transfer  ("Transfer   Documents")  as  may  be  necessary  or
                  desirable  to transfer  all right,  title and interest of ACMF
                  and Cash Reserve in and to the Cash Reserve  Assets.  The Cash
                  Reserve  Assets shall be  accompanied  by all necessary  state
                  stock  transfer  stamps or cash for the  appropriate  purchase
                  price therefor.

         9.3.     All  representations  and  warranties  made in this  Agreement
                  shall be true and correct in all material  respects as if made
                  at and as of the Valuation Time and the Effective  Time. As of
                  the Valuation  Time and the Effective  Time,  there shall have
                  been no material  adverse change in the financial  position of
                  Cash Reserve  since  October 31, 1997 other than those changes
                  incurred in the ordinary  course of business as an  investment
                  company.   No  action,  suit  or  other  proceeding  shall  be
                  threatened or pending before any court or governmental  agency
                  in which it is  sought  to  restrain  or  prohibit,  or obtain
                  damages or other relief in connection  with, this Agreement or
                  the transactions contemplated herein.

         9.4.     ACIT shall have  received a tax  opinion  acceptable  to ACMF,
                  addressed to ACIT and ACMF in a form  reasonably  satisfactory
                  to them and dated the  Effective  Time,  substantially  to the
                  effect that for federal income tax purposes:  (i) the transfer
                  of the Cash Reserve  Assets  hereunder,  and the assumption by
                  Prime of the Cash Reserve Liabilities,  in exchange for shares
                  of  Prime,   and  the  distribution  of  said  shares  to  the
                  shareholders  of Cash Reserve,  as provided in this Agreement,
                  will constitute a reorganization within the meaning of Section
                  368 of the  Code,  and Cash  Reserve  and  Prime  will each be
                  considered "a party to a reorganization" within the meaning of
                  Section  368(b)  of the  Code;  (ii) no  gain or loss  will be
                  recognized  by Cash  Reserve as a result of such  transaction;
                  (iii) no gain or loss will be  recognized by Prime as a result
                  of such  transaction;  (iv) no gain or loss will be recognized
                  by the  shareholders  of Cash Reserve on the  distribution  to
                  them by Cash  Reserve of shares of Prime in exchange for their
                  shares  of Cash  Reserve;  (v) the  aggregate  basis  of Prime
                  shares  received by each  shareholder  of Cash Reserve will be
                  the  same as the  aggregate  basis of the  shareholder's  Cash
                  Reserve shares immediately prior to the transaction;  (vi) the
                  basis of the Cash Reserve  Assets to Prime will be the same as
                  the  basis of the Cash  Reserve  Assets  in the  hands of Cash
                  Reserve   immediately   prior   to  the   exchange;   (vii)  a
                  shareholder's   holding   period  for  Prime  shares  will  be
                  determined by including  the period for which the  shareholder
                  held the shares of Cash Reserve exchanged  therefor,  provided
                  that the  shareholder  held such  shares of Cash  Reserve as a
                  capital  asset;  and (viii) the  holding  period of Prime with
                  respect to the Cash Reserve Assets will include the period for
                  which the Cash Reserve Assets were held by Cash Reserve.

         9.5.     The SEC shall not have issued any unfavorable  advisory report
                  under  Section  25(b)  of the  1940  Act  nor  instituted  any
                  proceeding seeking to enjoin  consummation of the transactions
                  contemplated by this Agreement under Section 25(c) of the 1940
                  Act.

         9.6.     The N-14  Registration  Statement shall have become  effective
                  under  the  1933  Act  and  no  stop  order   suspending  such
                  effectiveness  shall have been instituted or, to the knowledge
                  of ACIT,  contemplated  by the SEC, and the parties shall have
                  received all permits and other authorizations  necessary under
                  state   securities   laws  to  consummate   the   transactions
                  contemplated by this Agreement.

         9.7.     The President or a Vice President of ACMF shall have certified
                  that ACMF has performed and complied in all material  respects
                  with each of its  agreements  and  covenants  required by this
                  Agreement to be  performed or complied  with by it prior to or
                  at the Valuation Time and the Effective Time.

10.      ACMF'S CONDITIONS.

         The obligations of ACMF hereunder with respect to Cash Reserve shall be
         subject to the following conditions precedent:

         10.1.    This  Agreement  and  the  transactions  contemplated  by this
                  Agreement shall have been approved by the shareholders of Cash
                  Reserve, in the manner required by law.

         10.2.    All  representations  and  warranties  of  ACIT  made  in this
                  Agreement  shall be true and correct in all material  respects
                  as if made at and as of the  Valuation  Time and the Effective
                  Time. As of the Valuation Time and the Effective  Time,  there
                  shall have been no material  adverse  change in the  financial
                  condition  of Prime  since  March 31,  1998  other  than those
                  changes  incurred  in the  ordinary  course of  business as an
                  investment  company. No action, suit or other proceeding shall
                  be  threatened  or pending  before  any court or  governmental
                  agency in which it is  sought  to  restrain  or  prohibit,  or
                  obtain  damages  or other  relief  in  connection  with,  this
                  Agreement or the transactions contemplated herein.

         10.3.    ACMF shall have  received a tax  opinion  acceptable  to ACMF,
                  addressed to ACIT and ACMF in a form  reasonably  satisfactory
                  to them and dated the  Effective  Time,  with  respect  to the
                  matters specified in Section 9.4.

         10.4.    The N-14  Registration  Statement shall have become  effective
                  under  the  1933  Act  and  no  stop  order   suspending  such
                  effectiveness shall have been instituted,  or to the knowledge
                  of ACIT,  contemplated  by the SEC, and the parties shall have
                  received all permits and other authorizations  necessary under
                  state   securities   laws  to  consummate   the   transactions
                  contemplated by this Agreement.

         10.5.    ACMF  shall not sell or  otherwise  dispose  of any  shares of
                  Prime to be received in the transactions  contemplated herein,
                  except in  distribution  to its  shareholders  as contemplated
                  herein.

         10.6.    The SEC shall not have issued any unfavorable  advisory report
                  under  Section  25(b)  of the  1940  Act  nor  instituted  any
                  proceeding seeking to enjoin  consummation of the transactions
                  contemplated by this Agreement under Section 25(c) of the 1940
                  Act.

         10.7.    The President or a Vice President of ACIT shall have certified
                  that ACIT has performed and complied in all material  respects
                  with each of its  agreements  and  covenants  required by this
                  Agreement to be  performed or complied  with by it prior to or
                  at the Valuation Time and the Effective Time.

11.      TAX DOCUMENTS.

         ACMF shall deliver to ACIT at the Effective Time confirmations or other
         adequate  evidence  as to the  adjusted  tax basis of the Cash  Reserve
         Assets then  delivered  to Prime in  accordance  with the terms of this
         Agreement.

12.      FURTHER ASSURANCES.

         Subject  to the  terms  and  conditions  herein  provided,  each of the
         parties  hereto  shall  use its best  efforts  to take,  or cause to be
         taken, such action, to execute and deliver, or cause to be executed and
         delivered,  such additional  documents and  instruments,  and to do, or
         cause to be done, all things  necessary,  proper or advisable under the
         provisions of this Agreement and under applicable law to consummate and
         make effective the transactions contemplated by this Agreement.

13.      TERMINATION OF REPRESENTATIONS AND WARRANTIES.

         The  representations  and  warranties  of the parties set forth in this
         Agreement shall terminate at the Effective Time.

14.      TERMINATION OF AGREEMENT.

         14.1.    This  Agreement may be terminated  prior to the Effective Time
                  by the Board of Trustees of ACIT or the Board of  Directors of
                  ACMF, as provided below:

                  14.1.1.  By ACIT if the  conditions set forth in Section 9 are
                           not satisfied as specified in said Section;

                  14.1.2.  By ACMF if the conditions set forth in Section 10 are
                           not satisfied as specified in said Section;

                  14.1.3.  By the mutual consent of the parties.

         14.2.    If a party  terminates  this Agreement  because one or more of
                  its conditions  precedent have not been fulfilled,  or if this
                  Agreement is terminated by mutual consent, this Agreement will
                  become null and void without any  liability of either party or
                  any of their  investment  portfolios  to the other;  provided,
                  however,  that if such  termination  is by  ACIT  pursuant  to
                  Section  14.1.1  as a result of a breach by ACMF of any of its
                  representations, warranties or covenants in this Agreement, or
                  such  termination  is by ACMF pursuant to Section  14.1.2 as a
                  result  of a  breach  by ACIT  of any of its  representations,
                  warranties  or covenants  in this  Agreement,  nothing  herein
                  shall  affect the  non-breaching  party's  right to damages on
                  account of such other party's breach.

15.      AMENDMENT AND WAIVER.

         At any time prior to or (to the fullest extent  permitted by law) after
         approval of this Agreement by the shareholders of ACMF, (a) the parties
         hereto may, by written  agreement  authorized by their respective Board
         of  Directors  or  Trustees,  as the case may be,  or their  respective
         Presidents or any Vice Presidents,  and with or without the approval of
         their shareholders,  amend any of the provisions of this Agreement, and
         (b) either party may waive any breach by the other party or the failure
         to satisfy any of the conditions to its obligations  (such waiver to be
         in writing  and  executed by the  President  or Vice  President  of the
         waiving   party  with  or  without  the   approval   of  such   party's
         shareholders).

16.      GOVERNING LAW.

         This  Agreement  and the  transactions  contemplated  hereby  shall  be
         governed,  construed  and  enforced  in  accordance  with  the  laws of
         Massachusetts  without giving effect to the conflicts of law principles
         otherwise applicable therein.

17.      SUCCESSORS AND ASSIGNS.

         This  Agreement  shall be binding upon the  respective  successors  and
         permitted assigns of the parties hereto. This Agreement and the rights,
         obligations  and  liabilities  hereunder  may not be assigned by either
         party without the consent of the other party.

18.      BENEFICIARIES.

         Nothing contained in this Agreement shall be deemed to create rights in
         persons not parties  hereto,  other than the  successors  and permitted
         assigns of the parties.

19.      ACIT LIABILITY.

         19.1.    The name "American Century  Investment Trust" and "Trustees of
                  American Century  Investment Trust" refer  respectively to the
                  trust   created  and  the   trustees,   as  trustees  but  not
                  individually or personally,  acting from time to time under an
                  Agreement  and  Declaration  of Trust dated June 16, 1993,  as
                  amended,  which is hereby  referred to and copies of which are
                  on  file  at  the  office  of  the  State   Secretary  of  the
                  Commonwealth of  Massachusetts  and at the principal office of
                  ACIT.  The  obligations of ACIT entered into in the name or on
                  behalf  thereof  by any of its  trustees,  representatives  or
                  agents are made not individually,  but in such capacities, and
                  are not  binding  upon any of the  trustees,  shareholders  or
                  representatives  of ACIT  personally,  but bind only the trust
                  property,  and all persons  dealing with any portfolio of ACIT
                  must  look  solely  to the trust  property  belonging  to such
                  portfolio for the enforcement of any claims against ACIT.

         19.2.    Both  parties  specifically  acknowledge  and  agree  that any
                  liability of ACIT under this  Agreement with respect to Prime,
                  or in connection  with the  transactions  contemplated  herein
                  with  respect to Prime,  shall be  discharged  only out of the
                  assets of Prime and that no other  portfolio of ACIT,  if any,
                  shall be liable with respect thereto.

20.      ACMF LIABILITY.

         Both parties  specifically  acknowledge and agree that any liability of
         ACMF  under  this  Agreement  with  respect  to  Cash  Reserve,  or  in
         connection with the  transactions  contemplated  herein with respect to
         Cash Reserve,  shall be discharged  only out of the Cash Reserve Assets
         and that no  other  portfolio  of ACMF  shall be  liable  with  respect
         thereto.

21.      NOTICES.

         All notices  required or permitted herein shall be in writing and shall
         be  deemed  to  be  properly  given  when  delivered  personally  or by
         telecopier to the party  entitled to receive the notice or when sent by
         certified  or  registered  mail,  postage  prepaid,  or  delivered to a
         nationally  recognized overnight courier service, in each case properly
         addressed  to the party  entitled to receive such notice at the address
         or  telecopier  number  stated  below  or  to  such  other  address  or
         telecopier  number as may  hereafter  be furnished in writing by notice
         similarly given by one party to the other party hereto:

         If to American  Century  Investment  Trust or American  Century  Mutual
         Funds, Inc.:

                                Patrick A. Looby
                                4500 Main Street
                           Kansas City, Missouri 64111

22.      EXPENSES.

         Each  party  represents  to the other  that its  expenses  incurred  in
         connection with the  Reorganization  will be borne by American  Century
         Investment Management, Inc. or one or more of its affiliates.

23.      ENTIRE AGREEMENT.

         This Agreement  embodies the entire agreement and  understanding of the
         parties   hereto  and   supersedes   any  and  all  prior   agreements,
         arrangements  and  understandings  relating  to  matters  provided  for
         herein.

24.      COUNTERPARTS.

         This Agreement may be executed in any number of  counterparts,  each of
         which,  when executed and delivered  shall be deemed to be an original,
         but all of which together shall constitute one and the same instrument.



         IN WITNESS  WHEREOF,  the parties hereto have caused this instrument to
be executed by their duly authorized  officers  designated  below as of the date
first written above.


AMERICAN CENTURY INVESTMENT TRUST

By:     /s/Patrick A. Looby
        Patrick A. Looby   
        Vice President

ATTEST: /s/Brian L. Brogan
        Brian L. Brogan


AMERICAN CENTURY MUTUAL FUNDS, INC.

By:     /s/Patrick A. Looby
        Patrick A. Looby   
        Vice President

ATTEST: /s/Brian L. Brogan
        Brian L. Brogan

               MASTER DISTRIBUTION AND SHAREHOLDER SERVICES PLAN

                    AMERICAN CENTURY GOVERNMENT INCOME TRUST
                    AMERICAN CENTURY INTERNATIONAL BOND FUND
                        AMERICAN CENTURY INVESTMENT TRUST
                    AMERICAN CENTURY TARGET MATURITIES TRUST
                   AMERICAN CENTURY QUANTITATIVE EQUITY FUNDS
                                 (THE "ISSUERS")
                                  Advisor Class

Section 1.        Distribution Fees
a.       Distribution Fee. For purposes of paying costs and expenses incurred in
         providing the services set forth in Section 2 below,  the series of the
         Issuers identified SCHEDULE A (the "Funds") shall pay the Manager a fee
         equal to 25 basis  points  (0.25%) per annum of the  average  daily net
         assets  of the  shares  of the  Funds'  Advisor  Class of  shares  (the
         "Distribution Fee").

b.       Shareholder  Services  Fees.  For purposes of paying costs and expenses
         incurred in providing  the  services set forth in Section 2 below,  the
         Funds shall pay the Manager a fee equal to 25 basis points  (0.25%) per
         annum of the  average  daily  net  assets of the  shares of the  Funds'
         Advisor Class of shares (the "Shareholder Services Fee").

c.       Applicability  to Additional  and Future  Funds.  If any of the Issuers
         desire  to add  additional,  currently-existing  funds  to the  Plan or
         establish  additional funds in the future, and the applicability of the
         Plan with  respect to such  existing  or new funds is  approved  in the
         manner set forth in Section 4 of this Plan, as well as by the then-sole
         shareholder  of the  Advisor  Class  shares  of such new  funds (to the
         extent  shareholder  approval of new funds is required by  then-current
         1940 Act  Rules),  this Plan may be amended  to  provide  that such new
         funds will  become  subject to this Plan and will pay the  Distribution
         Fee and the  Shareholder  Services  Fee set forth in Sections  1(a) and
         1(b) above, unless the Board specifies otherwise. After the adoption of
         this Plan by the Board with  respect to the Advisor  Class of shares of
         the  existing  or new  funds,  the term  "Funds"  under this Plan shall
         thereafter be deemed to include the existing or new funds.

d.       Calculation  and  Assessment.  Distribution  Fees  and the  Shareholder
         Services Fees under this Plan will be  calculated  and accrued daily by
         each  Fund  and  paid  monthly  to the  Distributor  or at  such  other
         intervals as the Issuers and the Distributor may agree.


Section 2.        Distribution Services
a.       The  amount  set forth in  Section  1(a) of this Plan shall be paid for
         services  in  connection  with any  activities  undertaken  or expenses
         incurred by the  Distributor  or its affiliates  primarily  intended to
         result in the sale of Advisor Class shares of the Funds, which services
         may  include  but  are  not  limited  to,  (A)  the  payment  of  sales
         commission, ongoing commissions and other payments to brokers, dealers,
         financial institutions or others who sell Advisor Class shares pursuant
         to Selling Agreements;  (B) compensation to registered  representatives
         or other employees of Distributor who engage in or support distribution
         of the Funds' Advisor Class shares;  (C)  compensation to, and expenses
         (including overhead and telephone  expenses) of,  Distributor;  (D) the
         printing of  prospectuses,  statements  of additional  information  and
         reports  for other than  existing  shareholders;  (E) the  preparation,
         printing and distribution of sales literature and advertising materials
         provided to the Funds' shareholders and prospective  shareholders;  (F)
         receiving and answering  correspondence from prospective  shareholders,
         including   distributing   prospectuses,   statements   of   additional
         information,  and shareholder  reports; (G) the providing of facilities
         to answer questions from prospective  investors about Fund shares;  (H)
         complying with federal and state securities laws pertaining to the sale
         of Fund shares; (I) assisting investors in completing application forms
         and selecting dividend and other account options;  (J) the providing of
         other reasonable assistance in connection with the distribution of Fund
         shares;  (K) the  organizing  and  conducting  of  sales  seminars  and
         payments  in the  form of  transactional  compensation  or  promotional
         incentives;  (L) profit on the  foregoing;  (M) the payment of "service
         fees",  as  contemplated  by the Rules of Fair Practice of the National
         Association  of Securities  Dealers;  Inc.  ("NASD") and (N) such other
         distribution  and services  activities as the Issuers  determine may be
         paid for by the Issuers  pursuant to the terms of this Agreement and in
         accordance with Rule 12b-1 of the 1940 Act.

b.       For  purposes  of the Plan,  "service  fees"  shall  mean  payments  in
         connection  with the  provision  of  personal,  continuing  services to
         investors in each Fund and/or the maintenance of shareholder  accounts,
         excluding  (i)  transfer  agent  and  subtransfer  agent  services  for
         beneficial  owners of a Fund's Advisor Class shares,  (ii)  aggregating
         and  processing   purchase  and  redemption  orders,   (iii)  providing
         beneficial  owners  with  account   statements,   processing   dividend
         payments,  (iv)  providing  subaccounting  services  for Advisor  Class
         shares held beneficially,  (v) forwarding shareholder communications to
         beneficial  owners,  and (vi)  receiving,  tabulating and  transmitting
         proxies executed by beneficial owners;  provided,  however, that if the
         NASD  adopts a  definition  of "service  fees" for  purposes of Section
         26(d) of the Rules of Fair  Practice of the NASD (or any  successor  to
         such rule) that differs  from the  definition  of "service  activities"
         hereunder,  or if the NASD  adopts a  related  definition  intended  to
         define the same  concept,  the  definition  of  "service  fees" in this
         Section shall be automatically  amended,  without further action of the
         parties,  to  conform  to such  NASD  definition.  Overhead  and  other
         expenses of Distributor  related to its service  activities,  including
         telephone  and other  communications  expenses,  may be included in the
         information regarding amounts expended for such activities.


Section 3.        Shareholder Services Defined
As manager of the Funds'  Advisor Class of shares,  the Manager may cause one of
its  affiliates  to  provide  shareholder  and  administrative  services  to the
shareholders of the Advisor Class shares of the Funds  ("Shareholder  Services")
or it may engage third  parties to do so. The payments  authorized  by this Plan
are  intended  to  reimburse  the  Manager  for  expenses  incurred by it or its
affiliates  as a result of these  arrangements.  Such  Shareholder  Services and
related expenses may include, but are not limited to, (A) receiving, aggregating
and processing purchase,  exchange and redemption request from beneficial owners
(including  contract  owners of  insurance  products  that  utilize the Funds as
underlying  investment  media) of Advisor  Class  shares and  placing  purchase,
exchange and redemption  orders with the funds' transfer  agency;  (B) providing
shareholders  with a service that invests the assets of their accounts in shares
pursuant to specific or  pre-authorized  instructions;  (C) processing  dividend
payments from a Fund on behalf of  shareholders  and assisting  shareholders  in
changing dividend options, account designations and addresses; (D) providing and
maintaining  elective services such as check writing and wire transfer services;
(E) acting as sole shareholder of record and nominee for beneficial  owners; (F)
maintaining account records for shareholders and/or other beneficial owners; (G)
issuing confirmations of transactions;  (H) providing subaccounting with respect
to shares  beneficially  owned by  customers of third  parties or providing  the
information  to a Fund as  necessary  for such  subaccounting;  (I) creating and
forwarding   shareholder   communications  from  the  Funds  (such  as  proxies,
shareholder reports,  annual and semi-annual  financial statements and dividend,
distribution and tax notices) to shareholders  and/or other  beneficial  owners;
and (J) providing other similar administrative and sub-transfer agency services.
Shareholder  Services do not include  those  activities  and  expenses  that are
primarily  intended  to result in the sale of  additional  shares of the Advisor
Class of the Funds.


Section 4.        Effectiveness
Upon receipt of approval by vote of both (a) the Board of  Trustees/Directors of
the Issuers, and (b) the Independent Trustees/Directors,  this Plan shall become
effective as of August 1, 1997.


Section 5.        Term
This Plan will  continue in effect until  December 31, 1998,  and will  continue
thereafter  in full force and effect for  successive  periods of up to one year,
provided  that each such  continuance  is  approved  in the manner  provided  in
Sections 3(b) and 3(c).


Section 6.        Reporting Requirements
The Manager shall administer this Plan in accordance with Rule 12b-1 of the 1940
Act.  The Manager  will  provide to each  Issuer's  Board,  and the  Independent
Trustees/Directors  will review and  approve,  in  exercise  of their  fiduciary
duties,  at least  quarterly,  a written  report of the  amounts  expended  with
respect to the Advisor  Class shares of each Fund by the Manager under this Plan
and such other  information  as may be  required  by the 1940 Act and Rule 12b-1
thereunder.


Section 7.        Termination
This Plan may be  terminated  without  penalty  at any time with  respect to the
Advisor Class shares of any Fund by vote of the Board of the Issuer of which the
Fund is a series, by votes of a majority of the Independent  Trustees/Directors,
or by vote of a majority of the outstanding  voting Advisor Class shares of that
Fund.  Termination  of the Plan with respect to the Advisor  Class shares of one
Fund will not affect the  continued  effectiveness  of this Plan with respect to
the Advisor Class shares of any other Fund.


Section 8.        Amendments to this Plan
This Plan may not be amended to increase materially the amount of compensation a
Fund is  authorized  to pay under  Section 1 hereof  unless  such  amendment  is
approved in the manner  provided for initial  approval in Sections 3(b) and 3(c)
hereof,  and such amendment is further approved by a majority of the outstanding
voting securities of the Advisor Class shares of the Fund, and no other material
amendment  to the Plan will be made unless  approved in the manner  provided for
approval and annual renewal in Section 4 hereof.

Section 9.        Recordkeeping
The Issuers will preserve copies of this Plan (including any amendments thereto)
and any related agreements and all reports made pursuant to Section 5 hereof for
a period of not less than six years  from the date of this  Plan,  the first two
years in an easily accessible place.

         IN WITNESS WHEREOF, the Issuers have executed this Distribution Plan as
of August 1, 1997.

                                      AMERICAN CENTURY GOVERNMENT INCOME TRUST
                                      AMERICAN CENTURY INTERNATIONAL BOND FUND
                                      AMERICAN CENTURY INVESTMENT TRUST
                                      AMERICAN CENTURY TARGET MATURITIES TRUST
                                      AMERICAN CENTURY QUANTITATIVE EQUITY FUNDS



                                      /s/Douglas A. Paul
                                      Douglas A. Paul
                                      Vice President and Secretary
<PAGE>
                                   SCHEDULE A

<TABLE>
                       Funds Offering Advisor Class Shares

- ------------------------------------------------------------------------------------- ------------------------------
Issuer and Fund(s)                                                                          Date Plan Adopted
- ------------------------------------------------------------------------------------- ------------------------------
AMERICAN CENTURY GOVERNMENT INCOME TRUST
<S>                                                                                         <C>    
      Benham GNMA Fund                                                                       August 1, 1997
      Benham Intermediate-Term Treasury Fund                                                 August 1, 1997
      Benham Long-Term Treasury Fund                                                         August 1, 1997
      Benham Short-Term Government Fund                                                      August 1, 1997
      Benham Short-Term Treasury Fund                                                        August 1, 1997

AMERICAN CENTURY INTERNATIONAL BOND FUNDS
      Benham International Bond Fund                                                         August 1, 1997

AMERICAN CENTURY INTERNATIONAL TRUST
      Benham Prime Money Market Fund                                                          April 1, 1998

AMERICAN CENTURY TARGET MATURITIES TRUST
      Benham Target Maturities Trust:  2000                                                  August 1, 1997
      Benham Target Maturities Trust:  2005                                                  August 1, 1997
      Benham Target Maturities Trust:  2010                                                  August 1, 1997
      Benham Target Maturities Trust:  2015                                                  August 1, 1997
      Benham Target Maturities Trust:  2020                                                  August 1, 1997
      Benham Target Maturities Trust:  2025                                                  August 1, 1997

AMERICAN CENTURY QUANTITATIVE EQUITY FUNDS
      American Century Equity Growth Fund                                                    August 1, 1997
      American Century Income & Growth Fund                                                  August 1, 1997
      American Century Global Gold Fund                                                      August 1, 1997
      American Century Global Natural Resources Fund                                         August 1, 1997
      American Century Utilities Fund                                                        August 1, 1997
- ------------------------------------------------------------------------------------- ------------------------------
</TABLE>

                                      AMERICAN CENTURY GOVERNMENT INCOME TRUST
                                      AMERICAN CENTURY INTERNATIONAL BOND FUND
                                      AMERICAN CENTURY INVESTMENT TRUST
                                      AMERICAN CENTURY TARGET MATURITIES TRUST
                                      AMERICAN CENTURY QUANTITATIVE EQUITY FUNDS


                                      /s/Douglas A. Paul
                                      Douglas A. Paul
                                      Vice President and Secretary

                                   SCHEDULE A
<TABLE>
              Funds Covered by Multiclass Plan dated August 1, 1997

- ------------------------------------------------------------------ --------------- -------------- ----------------
                                                                      Investor        Advisor      Institutional
Fund                                                                   Class           Class           Class
- ------------------------------------------------------------------ --------------- -------------- ----------------
<S>                                                                <C>             <C>            <C>
American Century Equity Growth Fund                                      X               X               X
American Century Global Gold Fund                                        X               X
American Century Global Natural Resources Fund                           X               X
American Century Income & Growth Fund                                    X               X               X
American Century Utilities Fund                                          X               X
Benham GNMA Fund                                                         X               X
Benham Government Agency Money Market Fund                               X               X
Benham Intermediate-Term Treasury Fund                                   X               X
Benham International Bond Fund                                           X               X
Benham Long-Term Treasury Fund                                           X               X
Benham Prime Money Market Fund                                           X               X
Benham Short-Term Government Fund                                        X               X
Benham Short-Term Treasury Fund                                          X               X
Benham Target Maturities Trust:  2000                                    X               X
Benham Target Maturities Trust:  2005                                    X               X
Benham Target Maturities Trust:  2010                                    X               X
Benham Target Maturities Trust:  2015                                    X               X
Benham Target Maturities Trust:  2020                                    X               X
Benham Target Maturities Trust:  2025                                    X               X
- ------------------------------------------------------------------ --------------- -------------- ----------------
</TABLE>

Dated:  April 1, 1998   AMERICAN CENTURY CALIFORNIA TAX-FREE AND MUNICIPAL FUNDS
                        AMERICAN CENTURY GOVERNMENT INCOME TRUST
                        AMERICAN CENTURY INTERNATIONAL BOND FUNDS
                        AMERICAN CENTURY INVESTMENT TRUST
                        AMERICAN CENTURY MUNICIPAL TRUST
                        AMERICAN CENTURY TARGET MATURITIES TRUST
                        AMERICAN CENTURY QUANTITATIVE EQUITY FUNDS



                        /s/Douglas A. Paul
                        Douglas A. Paul
                        Vice President and Secretary

                                Patrick A. Looby
                                Attorney At Law
                                4500 Main Street
                          Kansas City, Missouri 64111

                            Telephone (816) 340-4349
                           Telecopier (816) 340-4964

May 19, 1998

American Century Investment Trust
4500 Main Street
Kansas City, Missouri  64111

RE:      Opinion Regarding the Legality of Shares of American Century 
         Investment Trust (the "Trust")
         (Registration No. 811-7822)


Dear Ladies and Gentlemen:

      I am counsel to  American  Century  Investment  Trust,  and as such,  I am
generally  familiar  with its  affairs.  Based upon that  familiarity,  and upon
examination  of such documents as I deemed  relevant,  it is my opinion that the
issuance  and sale of shares by the Trust in  connection  with the  transactions
contemplated by Pre-Effective  Amendment No. 1 to the Registration  Statement on
Form  N-14,  of which  this  opinion is an  exhibit,  has been duly and  validly
authorized by all appropriate  action and, upon the delivery thereof and payment
therefor in accordance  and in connection  with the  reorganization,  the shares
will be legally issued, fully paid and non assessable by the Trust.

      For the  record,  it  should be noted  that I am an  officer  of  American
Century  Services  Corporation,  an affiliated  corporation of American  Century
Investment  Management,   Inc.,  the  investment  adviser  of  American  Century
Investment Trust.

      I hereby  consent  to the  inclusion  of this  opinion  with the filing of
Pre-Effective Amendment No. 1 to the Registration Statement on Form N-14.


                                            Sincerely,



                                            /s/ Patrick A. Looby
                                            Patrick A. Looby
                                            Vice President and
                                            Associate General Counsel

                                August 28, 1998


Board of Directors
American Century-Benham
   Cash Reserve Fund
American Century Mutual Funds, Inc.
4500 Main Street
Kansas City, Missouri  64141-6200


Board of Trustees
American Century-Benham
   Prime Money Market Fund
American Century Investment Trust
4500 Main Street
Kansas City, Missouri  64141-6200

Gentlemen:

         You have  requested our opinion  regarding  certain  Federal income tax
consequences to American Century-Benham Cash Reserve Fund (the "Fund"), a series
of American  Century Mutual Funds,  Inc.  ("ACMF"),  to American  Century-Benham
Prime Money Market Fund, a series of American Century Investment Trust ("ACIT"),
and to the holders of the shares of the Fund,  in  connection  with the proposed
transfer of substantially all of the properties of the Fund to Prime in exchange
solely for voting shares of Prime ("Prime Shares")  followed by the distribution
of  such  Prime  Shares  received  by  the  Fund  in  complete  liquidation  and
termination   of  the  Fund,   all  pursuant  to  the   Agreement  and  Plan  of
Reorganization (the "Agreement") executed by ACMF and ACIT on May 15, 1998.

         For purposes of this  opinion,  we have  examined and rely upon (1) the
Agreement,  (2) the Form N-14, dated June 8, 1998, and filed on or about May 19,
1998  with  the   Securities  and  Exchange   Commission,   (3)  the  facts  and
representations  contained in a letter  dated  August 28, 1998,  addressed to us
from ACMF, (4) the facts and representations  contained in a letter dated August
28,  1998,  addressed  to us  from  ACIT,  and  (5)  such  other  documents  and
instruments as we have deemed necessary or appropriate for purposes of rendering
this opinion.  We assume that the transaction that is the subject of this letter
will be  carried  out in  accordance  with  the  terms of the  Agreement  and as
described in the documents we have examined.

         This  opinion  is based  upon the  Internal  Revenue  Code of 1986,  as
amended (the "Code"),  United States Treasury  regulations,  judicial decisions,
and  administrative  rulings and pronouncements of the Internal Revenue Service,
all as in effect on the date hereof.

         Based upon the  foregoing,  it is our opinion that,  for Federal income
tax purposes:

         (1) The acquisition by Prime of substantially  all of the properties of
the Fund in exchange  solely for Prime Shares  followed by the  distribution  of
Prime Shares to the  shareholders  of the Fund in exchange for their Fund shares
in  complete   liquidation  and  termination  of  the  Fund  will  constitute  a
reorganization within the meaning of Section 368(a)(1) of the Code. The Fund and
Prime will each be "a party to a  reorganization"  within the meaning of Section
368(b) of the Code.

         (2) The Fund  will  recognize  no gain or loss  upon  transferring  its
properties to Prime in exchange solely for Prime Shares.

         (3) Prime will  recognize no gain or loss upon receiving the properties
of the Fund in exchange for Prime Shares.

         (4) The aggregate adjusted basis to Prime of the properties of the Fund
will be the same as the  aggregate  adjusted  basis of those  properties  in the
hands of the Fund immediately before the exchange.

         (5) Prime's  holding periods with respect to the properties of the Fund
that Prime acquires in the transaction  will include the respective  periods for
which those properties were held by the Fund (except where investment activities
of Prime  have the effect of  reducing  or  eliminating  a holding  period  with
respect to an asset).

         (6) The  shareholders  of the Fund will  recognize no gain or loss upon
receiving Prime Shares solely in exchange for Fund shares.

         (7) The aggregate  basis of the Prime Shares  received by a shareholder
of the Fund in the  transaction  will be the same as the aggregate  basis of the
Fund shares surrendered by the shareholder in exchange therfor.

         (8) A Fund  shareholder's  holding period for the Prime Shares received
by the  shareholder  in the  transaction  will include the holding period during
which the  shareholder  held the Fund shares  surrendered in exchange  therefor,
provided that the shareholder held such shares as a capital asset on the date of
the Reorganization.

         (9) Prime will  succeed to and take into  account as of the date of the
transfer (as defined in Section  1.381(b)-1 of the Income Tax  Regulations)  the
items of the Fund  described in Code Section  381(c),  subject to the conditions
and limitations specified in the Code Sections 381, 382, 383, and 384.

         We express no opinion as to the tax consequences of the  Reorganization
except as  expressly  set forth  above,  or as to any  transaction  except those
consummated in accordance with the Agreement and the representations made to us.

                               Very truly yours,



                               Dechert Price and Rhoads

                                   CONSENT OF

                    INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS


American Century Mutual Funds, Inc.
American Century Tower
4500 Main Street
Kansas City, Missouri  64111


         We  hereby   consent  to  the   incorporation   by  reference  in  this
Registration  Statement  on Form N-14 of our report  dated  November  20,  1996,
accompanying   and   pertaining   to  the   financial   statements  of  American
Century-Benham  Cash Reserve Fund, one of the funds comprising  American Century
Mutual Funds, Inc. (formerly  Twentieth Century Investors,  Inc.), as of and for
the  year  ended  October  31,  1996,  which  report  is  incorporated  in  such
Registration Statement.


                                                     /s/ Baird, Kurtz & Dobson
                                                     BAIRD, KURTZ & DOBSON

Kansas City, Missouri
April 16, 1998

                          INDEPENDENT AUDITORS' CONSENT



The Board of Trustees
American Century Investment Trust:


We  consent  to the use of our  report  dated  April 4,  1997  included  in your
registration statement.

/s/ KPMG Peat Marwick LLP
KPMG PEAT MARWICK LLP

Kansas City, Missouri
May 13, 1998

                                 [front of card]

                    AMERICAN CENTURY-BENHAM CASH RESERVE FUND
                (A SERIES OF AMERICAN CENTURY MUTUAL FUNDS, INC.)

                                                 [american century logo(reg.sm)]
                                                                        American
                                                                 Century(reg.tm)

SPECIAL MEETING OF SHAREHOLDERS-AUGUST 7, 1998

This proxy is solicited on behalf of the Board of Directors of American  Century
Mutual  Funds,  Inc. and relates to the proposal  which  applies to the American
Century-Benham  Cash Reserve Fund ("Cash  Reserve").  By signing  below,  I (we)
appoint as proxies  Patrick A. Looby,  Charles A.  Etherington  and Charles C.S.
Park and each of them (with power of  substitution)  to vote for the undersigned
all shares of beneficial  interest I (we) own in Cash  Reserve.  The authority I
(we) am granting applies to the above-referenced meeting and any adjournments of
that meeting,  with all the power I (we) would have if personally  present.  The
shares  represented by this proxy will be voted as instructed.  Unless indicated
to the contrary, this proxy shall be deemed to grant authority to vote "FOR" the
proposal relating to Cash Reserve.

YOUR VOTE IS  IMPORTANT.  Please sign and date this proxy below and return it in
the enclosed  envelope to: American  Century  Investments,  c/o Proxy Tabulator,
P.O. Box 9043, Smithtown, NY 11787-9831,  This proxy will not be voted unless it
is signed and dated exactly as instructed on this card.

                                    If shares  are held by an  individual,  sign
                                    your  name  exactly  as it  appears  on this
                                    card.  If shares  are held  jointly,  either
                                    party  may  sign,  but the name of the party
                                    signing should  conform  exactly to the name
                                    shown on this proxy card. If shares are held
                                    by a  corporation,  partnership  or  similar
                                    account,  the name and the  capacity  of the
                                    individual  signing the proxy card should be
                                    indicated-for example: "ABC Corp., John Doe,
                                    Treasurer."  Sign exactly as name appears on
                                    this card.

                                    _____________________________________
                                    Signature

                                    ____________________________________, 1998
                                    Date


                                 [back of card]

Please indicate your vote below in blue or black ink. Example:  /*/ The Board of
Directors recommends a vote "FOR" the proposal.

1.    Approval  of  proposed  Agreement  and  Plan  of  Reorganization  and  all
      transactions  necessary  to  implement  the  Agreement as described in the
      proxy statement.

         FOR                    AGAINST                   ABSTAIN
        /  /                     /  /                      /  /


                  PLEASE SIGN AND DATE THE FRONT OF THIS CARD


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