USAA STATE TAX FREE TRUST
485BPOS, EX-99.B8, 2000-07-31
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                                  EXHIBIT 8(d)

January 11, 2000

USAA Mutual Fund, Inc.,
USAA Investment Trust,
USAA Tax Exempt Fund, Inc., and
USAA State Tax-Free Trust, on behalf of and for the
benefit of the series
of funds comprising each such Borrower
as set forth on Schedule A hereto
9800 Fredericksburg Road
San Antonio, Texas 78288

Attention: Michael J.C. Roth, President

Gentlemen:

This  Facility  Agreement  Letter (this  "Agreement")  sets forth the terms and
conditions  for loans (each a "Loan" and  collectively  the "Loans") which USAA
Capital  Corporation  ("CAPCO")  may from time to time make  during  the period
commencing January 11, 2000 and ending January 10, 2001 (the "Facility Period")
to USAA Mutual Fund, Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc.,
and USAA State Tax-Free Trust,  and each investment  company which may become a
party hereto  pursuant to the terms of this  Agreement  (each a "Borrower"  and
collectively  the  "Borrowers"),  each of which is executing  this Agreement on
behalf  of and for the  benefit  of the  series of funds  comprising  each such
Borrower as set forth on Schedule A hereto (as hereafter modified or amended in
accordance with the terms hereof) (each a "Fund" and collectively the "Funds"),
under a master  revolving  credit  facility (the  "Facility").  USAA Investment
Management  Company is the Manager and  Investment  Advisor of each Fund.  This
Agreement replaces in its entirety that certain Facility Agreement Letter dated
January 12, 1999,  between the  Borrowers  and CAPCO.  CAPCO and the  Borrowers
hereby agree as follows:

         1. AMOUNT.  The aggregate  principal  amount of the Loans which may be
advanced  under this Facility  shall not exceed,  at any one time  outstanding,
Five Hundred Million Dollars ($500,000,000).  The aggregate principal amount of
the Loans which may be borrowed by a Borrower  for the benefit of a  particular
Fund under this Facility shall not exceed the borrowing  limit (the  "Borrowing
Limit")  on  borrowings  applicable  to such Fund,  as set forth on  Schedule A
hereto.

         2. PURPOSE AND  LIMITATIONS ON BORROWINGS.  Each Borrower will use the
proceeds of each Loan made to it solely for temporary or emergency  purposes of
the Fund for whose  benefit it is  borrowing  in  accordance  with such  Fund's
Borrowing Limit (Schedule A) and

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prospectus in effect at the time of such Loan.  Portfolio securities may not be
purchased by a Fund while there is a Loan outstanding under the Facility or any
other  facility,  if the aggregate  amount of such Loan and any other such loan
exceeds 5% of the total assets of such Fund.

         3.  BORROWING  RATE AND  MATURITY OF LOANS.  CAPCO may make Loans to a
Borrower and the principal  amount of the Loans  outstanding  from time to time
shall  bear  interest  at a rate per  annum  equal  to the rate at which  CAPCO
obtains  funding  in the  capital  markets.  Interest  on the  Loans  shall  be
calculated  on the basis of a year of 360 days and the actual days  elapsed but
shall not exceed the highest lawful rate.  Each loan will be for an established
number  of  days   agreed   upon  by  the   applicable   Borrower   and  CAPCO.
Notwithstanding the above, all Loans to a Borrower shall be made available at a
rate per annum equal to the rate at which CAPCO would make loans to  affiliates
and  subsidiaries.  Further,  if the  CAPCO  rate  exceeds  the rate at which a
Borrower could obtain funds pursuant to the NationsBank,  N.A.  ("NationsBank")
364-day committed  $100,000,000 Master Revolving Credit Facility,  the Borrower
will in the absence of predominating  circumstances,  borrow from  NationsBank.
Any past due principal  and/or  accrued  interest shall bear interest at a rate
per annum equal to the  aggregate of the Federal Funds Rate plus 1 percent (100
basis points) and shall be payable on demand.

         4.  ADVANCES,   PAYMENTS,   PREPAYMENTS  AND  READVANCES.   Upon  each
Borrower's request,  and subject to the terms and conditions  contained herein,
CAPCO may make Loans to each  Borrower  on behalf of and for the benefit of its
respective Fund(s) during the Facility Period, and each Borrower may at CAPCO's
sole and absolute discretion,  borrow, repay and reborrow funds hereunder.  The
Loans  shall  be  evidenced  by a  duly  executed  and  delivered  Master  Grid
Promissory  Note in the form of EXHIBIT  A. Each Loan shall be in an  aggregate
amount not less than One Hundred Thousand United States Dollars (U.S. $100,000)
and increments of One Thousand  United States  Dollars (U.S.  $1,000) in excess
thereof.  Payment of principal and interest due with respect to each Loan shall
be payable at the maturity of such Loan and shall be made in funds  immediately
available  to CAPCO prior to 2 p.m. San Antonio time on the day such payment is
due, or as CAPCO shall otherwise  direct from time to time and,  subject to the
terms and conditions hereof, may be repaid with the proceeds of a new borrowing
hereunder. Notwithstanding any provision of this Agreement to the contrary, all
Loans, accrued but unpaid interest and other amounts payable hereunder shall be
due and payable upon  termination of the Facility  (whether by  acceleration or
otherwise).

         5.  FACILITY  FEE. As this  Facility is  uncommitted,  no facility fee
shall be charged by CAPCO.

         6.  OPTIONAL TERMINATION. The Borrowers  shall  have the right upon at
least three (3) business  days prior  written notice to CAPCO, to terminate the
Facility.

         7.  MANDATORY  TERMINATION  OF  THE  FACILITY.  The  Facility,  unless
extended by written amendment, shall automatically terminate on the last day of
the  Facility  Period and any

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Loans then  outstanding  (together with accrued  interest thereon and any other
amounts owing hereunder) shall be due and payable on such date.

         8. UNCOMMITTED  FACILITY.  The Borrowers acknowledge that the Facility
is an uncommitted  facility and that CAPCO shall have no obligation to make any
Loan requested during the Facility Period under this Agreement.  Further, CAPCO
shall not make any Loan if this Facility has been  terminated by the Borrowers,
or if at the time of a  request  for a Loan by a  Borrower  (on  behalf  of the
applicable  Fund(s)) there exists any Event of Default or condition which, with
the passage of time or giving of notice, or both, would constitute or become an
Event of Default with respect to such Borrower (or such applicable Fund(s)).

         9. LOAN REQUESTS.  Each request for a Loan (each a "Borrowing Notice")
shall be in writing by the applicable Borrower(s), except that such Borrower(s)
may make an oral  request  (each an "Oral  Request")  provided  that  each Oral
Request  shall be followed by a written  Borrowing  Notice  within one business
day. Each Borrowing  Notice shall specify the following  terms ("Terms") of the
requested  Loan:  (i) the date on which such Loan is to be disbursed,  (ii) the
principal amount of such Loan,  (iii) the Borrower(s)  which are borrowing such
Loan and the  amount of such Loan to be  borrowed  by each  Borrower,  (iv) the
Funds for whose  benefit the loan is being  borrowed and the amount of the Loan
which is for the benefit of each such Fund, and (v) the requested maturity date
of the Loan.  Each  Borrowing  Notice  shall also set forth the total assets of
each Fund for whose  benefit a portion of the Loan is being  borrowed as of the
close of business on the day  immediately  preceding the date of such Borrowing
Notice.  Borrowing notices shall be delivered to CAPCO by 9:00 a.m. San Antonio
time on the day the Loan is requested to be made.

Each  Borrowing  Notice  shall  constitute  a  representation  to  CAPCO by the
applicable  Borrower(s)  that  all of the  representations  and  warranties  in
Section  12 hereof  are true and  correct  as of such date and that no Event of
Default or other  condition which with the passage of time or giving of notice,
or both, would result in an Event of Default, has occurred or is occurring.

         10. CONFIRMATIONS; CREDITING OF FUNDS; RELIANCE BY CAPCO. Upon receipt
by CAPCO of a Borrowing Notice:

                  (a) CAPCO shall  provide  each  applicable  Borrower  written
confirmation  of the Terms of such Loan via  facsimile or telecopy,  as soon as
reasonably practicable;  provided, however, that the failure to do so shall not
affect the obligation of any such Borrower;

                  (b) CAPCO shall make such Loan in  accordance  with the Terms
by transfer of the Loan amount in immediately  available  funds, to the account
of the applicable Borrower(s) as specified in EXHIBIT B to this Agreement or as
such  Borrower(s)  shall  otherwise  specify to CAPCO in a writing signed by an
Authorized Individual (as defined in Section 11) of such Borrower(s); and

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                  (c) CAPCO shall make  appropriate  entries on the Note or the
records of CAPCO to reflect the Terms of the Loan; provided,  however, that the
failure to do so shall not affect the obligation of any Borrower.

CAPCO  shall be entitled  to rely upon and act  hereunder  pursuant to any Oral
Request  which it  reasonably  believes  to have  been  made by the  applicable
Borrower through an Authorized  Individual.  If any Borrower  believes that the
confirmation  relating to any Loan contains any error or  discrepancy  from the
applicable Oral Request, such Borrower will promptly notify CAPCO thereof.

         11. BORROWING  RESOLUTIONS  AND OFFICERS'  CERTIFICATES.  Prior to the
making  of any Loan  pursuant  to this  Agreement,  the  Borrowers  shall  have
delivered  to  CAPCO  (a) the  duly  executed  Note,  (b)  Resolutions  of each
Borrower's Trustees or Board of Directors authorizing such Borrower to execute,
deliver and perform  this  Agreement  and the Note on behalf of the  applicable
Funds,  (c) an Officer's  Certificate  in  substantially  the form set forth in
EXHIBIT  D to this  Agreement,  authorizing  certain  individuals  ("Authorized
Individuals"),  to take on behalf of each Borrower (on behalf of the applicable
Funds) actions contemplated by this Agreement and the Note, and (d) the Opinion
of Counsel to USAA Investment  Management  Company,  Manager and Advisor to the
Borrowers, with respect to such matters as CAPCO may reasonably request .

         12. REPRESENTATIONS AND WARRANTIES.  In order to induce CAPCO to enter
into this Agreement and to make the Loans provided for hereunder, each Borrower
hereby  makes with  respect to itself,  and as may be  relevant,  the series of
Funds comprising such Borrower,  the following  representations and warranties,
which shall survive the execution and delivery hereof and of the Note:

                  (a)   ORGANIZATION,   STANDING,   ETC.   The  Borrower  is  a
corporation or trust duly  organized,  validly  existing,  and in good standing
under applicable state laws and has all requisite  corporate or trust power and
authority to carry on its  respective  businesses as now conducted and proposed
to be conducted,  to enter into this  Agreement  and all other  documents to be
executed by it in connection  with the  transactions  contemplated  hereby,  to
issue and borrow under the Note and to carry out the terms hereof and thereof;

                  (b) FINANCIAL INFORMATION;  DISCLOSURE, ETC. The Borrower has
furnished CAPCO with certain financial statements of such Borrower with respect
to itself and the applicable Funds, all of which such financial statements have
been prepared in  accordance  with  generally  accepted  accounting  principles
applied on a consistent  basis and fairly  present the  financial  position and
results of operations of such  Borrower and the  applicable  Funds on the dates
and for  the  periods  indicated.  Neither  this  Agreement  nor any  financial
statements,  reports or other documents or  certificates  furnished to CAPCO by
such  Borrower or the  applicable  Funds in  connection  with the  transactions
contemplated  hereby contain any untrue statement of a

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material  fact or  omit to  state  any  material  fact  necessary  to make  the
statements  contained herein or therein in light of the circumstances when made
not misleading;

                  (c)  AUTHORIZATION;  COMPLIANCE WITH OTHER  INSTRUMENTS.  The
execution,  delivery  and  performance  of this  Agreement  and the  Note,  and
borrowings  hereunder,  have been duly authorized by all necessary corporate or
trust action of the  Borrower and will not result in any  violation of or be in
conflict with or constitute a default under any term of the charter, by-laws or
trust  agreement of such Borrower or the applicable  Funds, or of any borrowing
restrictions  or  prospectus  or statement of  additional  information  of such
Borrower or the applicable  Funds, or of any agreement,  instrument,  judgment,
decree,  order,  statute,  rule or governmental  regulation  applicable to such
Borrower,  or  result  in  the  creation  of  any  mortgage,  lien,  charge  or
encumbrance  upon any of the  properties  or  assets  of such  Borrower  or the
applicable  Funds  pursuant to any such term.  The Borrower and the  applicable
Funds are not in violation of any term of their respective charter,  by-laws or
trust  agreement,  and  such  Borrower  and  the  applicable  Funds  are not in
violation of any material term of any agreement or instrument to which they are
a party, or to the best of such Borrower's knowledge, of any judgment,  decree,
order, statute, rule or governmental regulation applicable to them;

                  (d) SEC COMPLIANCE. The Borrower and the applicable Funds are
in compliance in all material respects with all federal and state securities or
similar laws and  regulations,  including all material  rules,  regulations and
administrative orders of the Securities and Exchange Commission (the "SEC") and
applicable Blue Sky  authorities.  The Borrower and the applicable Funds are in
compliance  in  all  material  respects  with  all  of  the  provisions  of the
Investment  Company Act of 1940,  and such  Borrower has filed all reports with
the SEC that are required of it or the applicable Funds;

                  (e)  LITIGATION.  There  is no  action,  suit  or  proceeding
pending or, to the best of the Borrower's  knowledge,  threatened  against such
Borrower  or the  applicable  Funds in any court or before  any  arbitrator  or
governmental body which seeks to restrain any of the transactions  contemplated
by this  Agreement  or which,  if adversely  determined,  could have a material
adverse  effect on the assets or business  operations  of such  Borrower or the
applicable  Funds or the ability of such Borrower and the  applicable  Funds to
pay and perform their obligations hereunder and under the Notes;

                  (f) BORROWERS' RELATIONSHIP TO FUNDS. The assets of each Fund
for whose benefit Loans are borrowed by the applicable  Borrower are subject to
and  liable  for such  Loans  and are  available  (except  as  subordinated  to
borrowings under the NationsBank committed facility) to the applicable Borrower
for the repayment of such Loans; and

                   (G) YEAR 2000 PREPAREDNESS. Each Borrower has (i) initiated
a review and assessment of all areas within its business and operations
(including those affected by suppliers, vendors and customers) that could be
adversely affected by the "Year 2000 Problem" (that is, the risk that computer
applications used by such Borrower may be unable to recognize and perform

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properly date-sensitive functions involving certain dates prior to and any date
after December 31, 1999), (ii) developed a plan and timeline for addressing the
Year 2000 Problem on a timely basis,  and (iii) to date,  implemented that plan
in  accordance  with that  timetable.  Based on the  foregoing,  such  Borrower
reasonably  believes  that all computer  applications  that are material to its
business and operations are reasonably expected on a timely basis to be able to
perform  properly  date-sensitive  functions  for all  dates  before  and after
January 1, 2000 (that is, be "Year 2000 compliant"),  except to the extent that
a failure to do so could not reasonably be expected to have a material  adverse
effect on the assets or business  operations of such Borrower or the applicable
Funds or the  ability  of such  Borrower  and the  applicable  Funds to pay and
perform their obligations hereunder and under the Note.

         13.  AFFIRMATIVE  COVENANTS OF THE  BORROWERS.  Until such time as all
amounts of principal  and  interest due to CAPCO by a Borrower  pursuant to any
Loan made to such Borrower is irrevocably  paid in full, and until the Facility
is terminated, such Borrower (for itself and on behalf of its respective Funds)
agrees:

                  (a) To deliver to CAPCO as soon as possible  and in any event
within  ninety (90) days after the end of each fiscal year of such Borrower and
the  applicable  Funds,  Statements  of Assets and  Liabilities,  Statements of
Operations and Statements of Changes in Net Assets of each  applicable Fund for
such fiscal  year,  as set forth in each  applicable  Fund's  Annual  Report to
shareholders  together  with a  calculation  of the maximum  amount  which each
applicable  Fund could borrow under its  Borrowing  Limit as of the end of such
fiscal year;

                  (b) To deliver to CAPCO as soon as available and in any event
within  seventy-five  (75) days after the end of each semiannual period of such
Borrower  and the  applicable  Funds,  Statements  of Assets  and  Liabilities,
Statement  of  Operations  and  Statements  of  Changes  in Net  Assets of each
applicable Fund as of the end of such semiannual  period,  as set forth in each
applicable Funds Semiannual Report to shareholders, together with a calculation
of the  maximum  amount  which  each  applicable  Fund could  borrow  under its
Borrowing Limit at the end of such semiannual period;

                  (c) To deliver to CAPCO prompt  notice of the  occurrence  of
any event or condition which  constitutes,  or is likely to result in, a change
in such Borrower or any applicable  Fund which could  reasonably be expected to
materially  adversely  affect the  ability of any  applicable  Fund to promptly
repay outstanding Loans made for its benefit or the ability of such Borrower to
perform its obligations under this Agreement or the Note;

                  (d) To do,  or cause  to be done,  all  things  necessary  to
preserve and keep in full force and effect the corporate or trust  existence of
such Borrower and all permits,  rights and privileges necessary for the conduct
of its  businesses  and to comply in all material  respects with all applicable
laws,  regulations  and orders,  including  without  limitation,  all rules and
regulations promulgated by the SEC;

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                  (e) To promptly  notify CAPCO of any  litigation,  threatened
legal  proceeding or  investigation  by a  governmental  authority  which could
materially  affect the  ability of such  Borrower  or the  applicable  Funds to
promptly repay the  outstanding  Loans or otherwise  perform their  obligations
hereunder;

                  (f) In the event a Loan for the benefit of a  particular Fund
is not repaid in full  within 10 days after the date it is  borrowed, and until
such Loan is  repaid in full, to  deliver  to CAPCO, within  two  business days
after each Friday occurring after such 10th day, a statement setting forth the
total assets of such Fund as of the close of business  on each such Friday; and

                  (g) Upon the request of CAPCO which may be made by CAPCO from
time to time in the event CAPCO in  good faith  believes that there  has been a
material  adverse  change in the  capital  markets  generally,  to  deliver  to
CAPCO,  within two business days after  such request, a statement setting forth
the total assets  of each Fund for whose  benefit a  Loan is outstanding on the
date of such request.

         14.  NEGATIVE  COVENANTS  OF THE  BORROWERS.  Until  such  time as all
amounts of principal  and  interest due to CAPCO by a Borrower  pursuant to any
Loan made to such Borrower is irrevocably  paid in full, and until the Facility
is terminated, such Borrower (for itself and on behalf of its respective Funds)
agrees:

                  (a) Not to incur any  indebtedness  for borrowed money (other
than pursuant to the One Hundred Million Dollar ($100,000,000) committed Master
Revolving  Credit Facility with Bank of America,  the Two Hundred Fifty Million
Dollar ($250,000,000) committed Master Revolving Credit Facility with CAPCO and
for overdrafts  incurred at the custodian of the Funds from time to time in the
normal course of business) except the Loans,  without the prior written consent
of CAPCO, which consent will not be unreasonably withheld; and

                  (b) Not to dissolve or terminate its  existence,  or merge or
consolidate with any other person or entity,  or sell all or substantially  all
of its assets in a single transaction or series of related  transactions (other
than assets consisting of margin stock), each without the prior written consent
of CAPCO,  which  consent will not be  unreasonably  withheld;  provided that a
Borrower  may  without  such  consent  merge,  consolidate  with,  or  purchase
substantially all of the assets of, or sell substantially all of its assets to,
an affiliated  investment  company or series  thereof,  as provided for in Rule
17a-8 of the Investment Company Act of 1940.

         15. EVENTS OF DEFAULT.  If any of the following events (each an "Event
of  Default")  shall occur (it being  understood  that an Event of Default with
respect to one Fund or Borrower  shall not  constitute an Event of Default with
respect to any other Fund or Borrower):

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                  (a) Any  Borrower  or Fund shall  default  in the  payment of
principal or interest on any Loan or any other fee due  hereunder  for a period
of five (5) days after the same becomes due and payable, whether at maturity or
with respect to any Facility Fee at a date fixed for the payment thereof;

                  (b) Any Borrower or Fund shall default in the  performance of
or  compliance  with any term  contained  in Section 13 hereof and such default
shall not have been  remedied  within  thirty  (30) days after  written  notice
thereof shall have been given such Borrower or Fund by CAPCO;

                  (c) Any Borrower or Fund shall default in the performance of
or compliance  with any term contained in Section 14 hereof;

                  (d) Any Borrower or Fund shall default in the  performance or
compliance with any other term contained herein and such default shall not have
been remedied  within thirty (30) days after written  notice thereof shall have
been given such Borrower or Fund by CAPCO;

                  (e) Any representation or warranty made by a Borrower or Fund
herein or pursuant  hereto  shall prove to have been false or  incorrect in any
material respect when made;

                  (f) An event of  default shall occur  and be continuing under
any other facility;

then, in any event, and at any time  thereafter,  if any Event of Default shall
be continuing,  CAPCO may by written notice to the applicable  Borrower or Fund
(i)  terminate  the  Facility  with  respect to such  Borrower or Fund and (ii)
declare the  principal  and interest in respect of any  outstanding  Loans with
respect to such  Borrower or Fund,  and all other  amounts due  hereunder  with
respect to such Borrower or Fund, to be immediately  due and payable  whereupon
the  principal  and  interest  in respect  thereof  and all other  amounts  due
hereunder shall become forthwith due and payable without  presentment,  demand,
protest or other notice of any kind,  all of which are expressly  waived by the
Borrowers.

         16.  NEW  BORROWERS;  NEW  FUNDS.  So long as no Event of  Default  or
condition  which,  with the  passage of time or the giving of notice,  or both,
would  constitute or become an Event of Default has occurred and is continuing,
and with the prior  consent of CAPCO,  which  consent will not be  unreasonably
withheld:

                  (a) Any  investment  company  that  becomes  part of the same
"group of  investment  companies"  (as that term is defined in Rule 11a-3 under
the  Investment  Company  Act  of  1940)  as the  original  Borrowers  to  this
Agreement,  may,  by  submitting  an amended  Schedule A and  Exhibit B to this
Agreement to CAPCO (which  amended  Schedule A and Exhibit B shall  replace the
corresponding  Schedule and Exhibit which are,  then a part of this  Agreement)
and such other  documents as CAPCO may  reasonably  request,  become a party to
this Agreement and may become a "Borrower" hereunder; and

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                  (b) A Borrower may, by  submitting an amended  Schedule A and
Exhibit B to this  Agreement to CAPCO (which  amended  Schedule A and Exhibit B
shall replace the  corresponding  Schedule and Exhibit which are then a part of
this  Agreement),  add  additional  Funds for whose  benefit such  Borrower may
borrow Loans. No such amendment of Schedule A to this Agreement shall amend the
Borrowing Limit applicable to any Fund without the prior approval of CAPCO.

         17. LIMITED RECOURSE.  CAPCO agrees (i) that any claim,  liability, or
obligation  arising  hereunder  or under the Note  whether  on  account  of the
principal of any Loan,  interest thereon,  or any other amount due hereunder or
thereunder  shall be satisfied  only from the assets of the  specific  Fund for
whose  benefit a Loan is  borrowed  and in any event in an amount not to exceed
the outstanding  principal amount of any Loan borrowed for such Fund's benefit,
together  with  accrued and unpaid  interest  due and owing  thereon,  and such
Fund's  share  of any  other  amount  due  hereunder  and  under  the  Note (as
determined in accordance with the provisions hereof) and (ii) that no assets of
any fund shall be used to satisfy any claim,  liability,  or obligation arising
hereunder or under the Note with respect to the outstanding principal amount of
any Loan  borrowed  for the benefit of any other Fund or any accrued and unpaid
interest  due and owing  thereon or such other Fund's share of any other amount
due  hereunder  and  under  the  Note (as  determined  in  accordance  with the
provisions hereof).

         18.  REMEDIES  ON  DEFAULT.  In case any one or more Events of Default
shall  occur and be  continuing,  CAPCO may  proceed to protect and enforce its
rights by an action at law,  suit in equity or other  appropriate  proceedings,
against the applicable  Borrower(s) and/or Fund(s),  as the case may be. In the
case of a default in the payment of any principal or interest on any Loan or in
the payment of any fee due  hereunder,  the  relevant  Fund(s) (to be allocated
among such Funds as the  Borrowers  deem  appropriate)  shall pay to CAPCO such
further  amount  as  shall be  sufficient  to cover  the  cost and  expense  of
collection,  including,  without  limitation,  reasonable  attorney's  fees and
expenses.

         19. NO WAIVER OF REMEDIES. No course of dealing or failure or delay on
the part of CAPCO in exercising any right or remedy hereunder or under the Note
shall  constitute a waiver of any right or remedy  hereunder or under the Note,
nor shall any partial  exercise of any right or remedy  hereunder  or under the
Note preclude any further  exercise  thereof or the exercise of any other right
or remedy  hereunder  or under the Note.  Such  rights and  remedies  expressly
provided are cumulative and not exclusive of any rights or remedies which CAPCO
would otherwise have.

         20.  EXPENSES.  The  Fund(s) (to be  allocated  among the Funds as the
Borrowers deem  appropriate)  shall pay on demand all reasonable  out-of-pocket
costs and expenses (including reasonable attorney's fees and expenses) incurred
by  CAPCO  in  connection  with  the  collection  and  any  other   enforcement
proceedings of or regarding this Agreement, any Loan or the Note.

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         21. BENEFIT OF AGREEMENT. This Agreement and the Note shall be binding
upon  and  inure  for  the  benefit  of and be  enforceable  by the  respective
successors  and assigns of the parties  hereto;  provided that no party to this
Agreement  or the Note may  assign any of its rights  hereunder  or  thereunder
without the prior written consent of the other parties.

         22.  NOTICES.  All notices  hereunder  and all  written,  facsimile or
telecopied  confirmations  of Oral Requests made hereunder shall be sent to the
Borrowers as indicated on EXHIBIT B and to CAPCO as indicated on EXHIBIT C.

         23.  MODIFICATIONS.  No provision of this Agreement or the Note may be
waived,  modified  or  discharged  except by mutual  written  agreement  of all
parties. THIS WRITTEN LOAN AGREEMENT AND THE NOTE REPRESENT THE FINAL AGREEMENT
BETWEEN  THE  PARTIES  AND  MAY  NOT BE  CONTRADICTED  BY  EVIDENCE  OF  PRIOR,
CONTEMPORANEOUS  OR SUBSEQUENT  ORAL  AGREEMENTS  OF THE PARTIES.  THERE ARE NO
UNWRITTEN AGREEMENTS BETWEEN THE PARTIES.

         24. GOVERNING LAW AND  JURISDICTION.  This Agreement shall be governed
by and  construed  in  accordance  with the laws of the state of Texas  without
regard to the choice of law provisions thereof.

         25. TRUST DISCLAIMER.  Neither the shareholders,  trustees,  officers,
employees and other agents of any Borrower or Fund shall be personally bound by
or liable for any indebtedness,  liability or obligation hereunder or under the
Note nor shall resort be had to their private  property for the satisfaction of
any obligation or claim hereunder.

If this letter  correctly  reflects your agreement with us, please execute both
copies hereof and return one to us,  whereupon this Agreement  shall be binding
upon the Borrowers, the Funds and CAPCO.

Sincerely,

USAA CAPITAL CORPORATION

By:   /S/ EDWIN T. MCQUISTON
      ----------------------
      Edwin T. McQuiston
      Vice President-Treasurer

                                      10
90655
<PAGE>
AGREED AND ACCEPTED this 11th
Day of January, 2000.

USAA MUTUAL FUND, INC.,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By:   /S/ MICHAEL J. C. ROTH
      ----------------------
      Michael J.C. Roth
      President

USAA INVESTMENT  TRUST,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By:   /S/ MICHAEL J. C. ROTH
      ----------------------
      Michael J.C. Roth
      President

USAA TAX EXEMPT FUND,  INC.,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By:   /S/ MICHAEL J. C. ROTH
      =----------------------
      Michael J.C. Roth
      President

USAA STATE  TAX-FREE  TRUST,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By:   /S/ MICHAEL J. C. ROTH
      ---------------------
      Michael J.C. Roth
      President

                                      11
90655
<PAGE>
                                   SCHEDULE A

                       FUNDS FOR WHOSE BENEFIT LOANS CAN
                      BE BORROWED UNDER FACILITY AGREEMENT

BORROWER                    FUNDS                      BORROWING LIMIT (Maximum
                                                       percent of total assets
                                                       which  can  be  borrowed
                                                       under  Facility and  the
                                                       committed  facility with
                                                       CAPCO)
USAA Mutual Fund, Inc.      USAA Aggressive Growth     5% of Total Assets
                            USAA Growth & Income                  "
                            USAA Income Stock                     "
                            USAA Short-Term Bond                  "
                            USAA Money Market                     "
                            USAA Growth                           "
                            USAA Income                           "
                            USAA S&P 500 Index                    "
                            USAA Science & Technology             "
                            USAA First Start Growth               "
                            USAA High Yield Opportunites          "
                            USAA Intermediate-Term Bond           "
                            USAA Small Cap Stock Fund             "

USAA Investment Trust       USAA Cornerstone Strategy             "
                            USAA Gold                             "
                            USAA International                    "
                            USAA World Growth                     "
                            USAA GNMA Trust                       "
                            USAA Treasury Money Market Trust      "
                            USAA Emerging Markets                 "
                            USAA Growth and Tax Strategy          "
                            USAA Balanced Strategy                "
                            USAA Growth Strategy                  "
                            USAA Income Strategy                  "

USAA Tax Exempt Fund, Inc.  USAA Long-Term                        "
                            USAA Intermediate-Term                "
                            USAA Short-Term                       "
                            USAA Tax Exempt Money Market          "
                            USAA California Bond                  "
                            USAA California Money Market          "
                            USAA New York Bond                    "
                            USAA New York Money Market            "
                            USAA Virginia Bond                    "
                            USAA Virginia Money Market            "

<PAGE>
USAA State Tax-Free Trust   USAA Florida Tax-Free Income          "
                            USAA Florida Tax-Free Money Market    "
                            USAA Texas Tax-Free Income            "
                            USAA Texas Tax-Free Money Market      "

<PAGE>
                                                                      EXHIBIT A

                          MASTER GRID PROMISSORY NOTE

U.S. $500,000,000                                       Dated: January 11, 2000


         FOR VALUE  RECEIVED,  each of the  undersigned  (each a "Borrower" and
collectively the "Borrowers"),  severally and not jointly, on behalf of and for
the benefit of the series of funds  comprising  each such Borrower as listed on
Schedule A to the  Agreement as defined  below (each a "Fund" and  collectively
the "Funds") promises to pay to the order of USAA Capital Corporation ("CAPCO")
at CAPCO's  office  located at 9800  Fredericksburg  Road,  San Antonio,  Texas
78288,  in  lawful  money of the  United  States  of  America,  in  immediately
available  funds,  the  principal  amount  of all  Loans  made by CAPCO to such
Borrower for the benefit of the applicable  Funds under the Facility  Agreement
Letter dated January 11, 2000 (as amended or modified, the "Agreement"),  among
the  Borrowers and CAPCO,  together with interest  thereon at the rate or rates
set forth in the Agreement.  All payments of interest and principal outstanding
shall be made in accordance with the terms of the Agreement.

         This Note  evidences  Loans made  pursuant  to, and is entitled to the
benefits  of,  the  Agreement.  Terms not  defined in this Note shall be as set
forth in the Agreement.

         CAPCO is authorized to endorse the  particulars of each Loan evidenced
hereby  on  the  attached  Schedule  and  to  attach  additional  Schedules  as
necessary,  provided  that the failure of CAPCO to do so or to do so accurately
shall not affect the obligations of any Borrower (or the Fund for whose benefit
it is borrowing) hereunder.

         Each Borrower waives all claims to presentment,  demand,  protest, and
notice  of  dishonor.  Each  Borrower  agrees  to pay all  reasonable  costs of
collection,  including  reasonable  attorney's  fees  in  connection  with  the
enforcement of this Note.

         CAPCO  hereby  agrees (i) that any  claim,  liability,  or  obligation
arising hereunder or under the Agreement whether on account of the principal of
any Loan,  interest  thereon,  or any other amount due  hereunder or thereunder
shall be satisfied  only from the assets of the specific Fund for whose benefit
a Loan is borrowed and in any event in an amount not to exceed the  outstanding
principal  amount of any Loan borrowed for such Fund's  benefit,  together with
accrued and unpaid interest due and owing thereon, and such Fund's share of any
other amount due hereunder and under the Agreement (as determined in accordance
with the provisions of the Agreement) and (ii) that no assets of any Fund shall
be used to satisfy any claim,  liability,  or obligation  arising  hereunder or
under the Agreement  with respect to the  outstanding  principal  amount of any
Loan  borrowed  for the  benefit  of any other Fund or any  accrued  and unpaid
interest  due and owing  thereon or such other Fund's share of any other amount
due hereunder

<PAGE>
and under the Agreement (as determined in accordance with the provisions of the
Agreement).

         Neither the  shareholders,  trustees,  officers,  employees  and other
agents of any Borrower or Fund shall be  personally  bound by or liable for any
indebtedness,  liability  or  obligation  hereunder or under the Note nor shall
resort be had to their private  property for the satisfaction of any obligation
or claim hereunder.

         Loans under the Agreement and this Note are subordinated to loans made
under the  $100,000,000  364-day  committed  Mater  Revolving  Credit  Facility
Agreement  between the Borrowers and Bank of America,  N.A.  (Bank of America),
dated  January  12,  2000,  in the  manner  and to the  extent set forth in the
Agreement  among the  Borrowers,  CAPCO and Bank of America,  dated January 12,
2000.

         This Note shall be governed by the laws of the state of Texas.

                                             USAA MUTUAL FUND, INC.,
                                             on behalf of and for the benefit
                                             of its series of Funds as set forth
                                             on Schedule A to the Agreement

                                             By: /S/ MICHAEL J. C. ROTH
                                                 ----------------------
                                                 Michael J.C. Roth
                                                 President

                                             USAA INVESTMENT TRUST,
                                             on behalf of and for the benefit
                                             of its series of Funds as set forth
                                             on Schedule A to the Agreement

                                             By: /S/ MICHAEL J. C. ROTH
                                                 ----------------------
                                                 Michael J.C. Roth
                                                 President

<PAGE>
                                             USAA  TAX   EXEMPT   FUND, INC.,
                                             on behalf of and for the  benefit
                                             of its series of Funds as set forth
                                             on Schedule A to the Agreement

                                             By: /S/ MICHAEL J. C. ROTH
                                                 ----------------------
                                                 Michael J.C. Roth
                                                 President

                                             USAA STATE TAX-FREE TRUST,
                                             on  behalf  of and for the benefit
                                             of its series of Funds as set forth
                                             on Schedule A to the Agreement

                                             By: /S/ MICHAEL J. C. ROTH
                                                 ----------------------
                                                 Michael J.C. Roth
                                                 President

<PAGE>

                         LOANS AND PAYMENT OF PRINCIPAL

This  schedule  (grid) is  attached to and made a part of the  Promissory  Note
dated January 11, 2000,  executed by USAA MUTUAL FUND,  INC.,  USAA  INVESTMENT
TRUST,  USAA TAX EXEMPT FUND,  INC. AND USAA STATE  TAX-FREE TRUST on behalf of
and for the  benefit  of the  series of funds  comprising  each  such  Borrower
payable to the order of USAA CAPITAL CORPORATION.

[GRID}
Date of Loan

Borrower
and Fund

Amount of
Loan

Type of Rate and
Interest Rate on
Date of Borrowing

Amount of
Principal Repaid

Date of
Repayment

Other
Expenses

Notation made
by

<PAGE>
                                   EXHIBIT B

                            USAA CAPITAL CORPORATION
                                MASTER REVOLVING
                           CREDIT FACILITY AGREEMENT
                           BORROWER INFORMATION SHEET

BORROWER:     USAA MUTUAL FUND, INC., USAA INVESTMENT TRUST, USAA TAX EXEMPT
              FUND, INC. AND USAA STATE TAX-FREE TRUST

ADDRESS FOR NOTICES AND OTHER COMMUNICATIONS TO THE BORROWER:

            9800 Fredericksburg Road
            San Antonio, Texas 78288 (For Federal Express, 78240)
            Attention:  Kenneth E. Willmann
                        Senior Vice President,
                        Fixed Income Investments

                        Telephone: (210) 498-7320
                        Telecopy:  (210) 498-4174

                        David G. Peebles
                        Senior Vice President,
                        Equity Investments

                        Telephone: (210) 498-7340
                        Telecopy:  (210) 498-2954

ADDRESS FOR BORROWING AND PAYMENTS:

            9800 Fredericksburg Road
            San Antonio, Texas 78288
            Attention:  Caryl J. Swann

                        Telephone: (210) 498-7303
                        Telecopy:  (210) 498-0382 or 498-7819
                        Telex:     767424

INSTRUCTIONS FOR PAYMENTS TO BORROWER:

WE PAY VIA: _X_ FED FUNDS____CHIPS

<PAGE>
TO: (PLEASE PLACE BANK NAME, CORRESPONDENT NAME (IF APPLICABLE), CHIPS AND/OR
FED FUNDS ACCOUNT NUMBER BELOW)

STATE STREET BANK AND TRUST COMPANY, BOSTON, MASSACHUSETTS
----------------------------------------------------------

ABA #011-00-0028
----------------

USAA MUTUAL FUND, INC.
======================

USAA AGGRESSIVE GROWTH FUND                  ACCT.# 6938-502-9
--------------------------------------------------------------
USAA GROWTH & INCOME FUND                    ACCT.# 6938-519-3
--------------------------------------------------------------
USAA INCOME STOCK FUND                       ACCT.# 6938-495-6
--------------------------------------------------------------
USAA SHORT-TERM BOND FUND                    ACCT.# 6938-517-7
--------------------------------------------------------------
USAA MONEY MARKET FUND                       ACCT.# 6938-498-0
--------------------------------------------------------------
USAA GROWTH FUND                             ACCT.# 6938-490-7
--------------------------------------------------------------
USAA INCOME FUND                             ACCT.# 6938-494-9
--------------------------------------------------------------
USAA S&P 500 INDEX FUND                      ACCT.# 6938-478-2
--------------------------------------------------------------
USAA SCIENCE & TECHNOLOGY FUND               ACCT.# 6938-515-1
--------------------------------------------------------------
USAA FIRST START GROWTH FUND                 ACCT.# 6938-468-3
--------------------------------------------------------------
USAA HIGH YIELD OPPORTUNITIES FUND           ACCT.# 6938-576-3
--------------------------------------------------------------
USAA INTERMEDIATE-TERM BOND FUND             ACCT.# 6938-577-1
--------------------------------------------------------------
USAA SMALL CAP STOCK FUND                    ACCT.# 6938-578-9
--------------------------------------------------------------

USAA INVESTMENT TRUST
=====================

USAA CORNERSTONE STRATEGY FUND               ACCT.# 6938-487-3
--------------------------------------------------------------
USAA GOLD FUND                               ACCT.# 6938-488-1
--------------------------------------------------------------
USAA INTERNATIONAL FUND                      ACCT.# 6938-497-2
--------------------------------------------------------------
USAA WORLD GROWTH FUND                       ACCT.# 6938-504-5
--------------------------------------------------------------
USAA GNMA TRUST                              ACCT.# 6938-486-5
--------------------------------------------------------------

<PAGE>
--------------------------------------------------------------
USAA TREASURY MONEY MARKET TRUST             ACCT.# 6938-493-1
--------------------------------------------------------------
USAA EMERGING MARKETS FUND                   ACCT.# 6938-501-1
--------------------------------------------------------------
USAA GROWTH AND TAX STRATEGY FUND            ACCT.# 6938-509-4
--------------------------------------------------------------
USAA BALANCED STRATEGY FUND                  ACCT.# 6938-507-8
--------------------------------------------------------------
USAA GROWTH STRATEGY FUND                    ACCT.# 6938-510-2
--------------------------------------------------------------
USAA INCOME STRATEGY FUND                    ACCT.# 6938-508-6
--------------------------------------------------------------

USAA TAX EXEMPT FUND, INC.
==========================

LONG-TERM FUND                               ACCT.# 6938-492-3
--------------------------------------------------------------
USAA INTERMEDIATE-TERM FUND                  ACCT.# 6938-496-4
--------------------------------------------------------------
USAA SHORT-TERM FUND                         ACCT.# 6938-500-3
--------------------------------------------------------------
USAA TAX EXEMPT MONEY MARKET FUND            ACCT.# 6938-514-4
--------------------------------------------------------------
USAA CALIFORNIA BOND FUND                    ACCT.# 6938-489-9
--------------------------------------------------------------
USAA CALIFORNIA MONEY MARKET FUND            ACCT.# 6938-491-5
--------------------------------------------------------------
USAA NEW YORK BOND FUND                      ACCT.# 6938-503-7
--------------------------------------------------------------
USAA NEW YORK MONEY MARKET FUND              ACCT.# 6938-511-0
--------------------------------------------------------------
USAA VIRGINIA BOND FUND                      ACCT.# 6938-512-8
--------------------------------------------------------------
USAA VIRGINIA MONEY MARKET FUND              ACCT.# 6938-513-6
--------------------------------------------------------------

USAA STATE TAX-FREE TRUST
=========================

USAA FLORIDA TAX-FREE INCOME FUND            ACCT.# 6938-473-3
--------------------------------------------------------------
USAA FLORIDA TAX-FREE MONEY MARKET FUND      ACCT.# 6938-467-5
--------------------------------------------------------------
USAA TEXAS TAX-FREE INCOME FUND              ACCT.# 6938-602-7
--------------------------------------------------------------
USAA TEXAS TAX-FREE MONEY MARKET FUND        ACCT.# 6938-601-9
--------------------------------------------------------------

<PAGE>
                                   EXHIBIT C

                      ADDRESS FOR USAA CAPITAL CORPORATION

                            USAA Capital Corporation
                            9800 Fredericksburg Road
                            San Antonio, Texas 78288

                            Attention: Edwin T. McQuiston
                            Telephone No.: (210) 498-2296
                            Telecopy No.: (210) 498-6566

<PAGE>
                                                                      EXHIBIT D

                             OFFICER'S CERTIFICATE

The undersigned  hereby certifies that he is the duly elected Secretary of USAA
Mutual Fund, Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and USAA
State Tax-Free  Trust and that he is authorized to execute this  Certificate on
behalf of USAA Mutual Fund, Inc., USAA Investment  Trust, USAA Tax Exempt Fund,
Inc. and USAA State Tax-Free Trust. The undersigned hereby further certifies to
the following:

The following  individuals  are duly authorized to act on behalf of USAA Mutual
Fund,  Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and USAA State
Tax-Free Trust, by transmitting telephonic, telex, or telecopy instructions and
other  communications  with regard to borrowing  and  payments  pursuant to the
uncommitted  Master Revolving  Credit Agreement with USAA Capital  Corporation.
The  signature  set  opposite  the  name  of  each  individual  below  is  that
individual's genuine signature.

NAME                            OFFICE                        SIGNATURE

Michael J.C. Roth          President                    /S/ MICHAEL J. C. ROTH
                                                        -----------------------
Kenneth E. Willmann        Senior Vice President,
                           Fixed Income Investments     /S/ KENNETH E. WILLMANN
                                                        -----------------------
David G. Peebles           Senior Vice President,
                           Equity Investments           /S/ DAVID G. PEEBLES
                                                        -----------------------
Clifford A. Gladson        Vice President,
                           Mutual Fund Portfolios       /S/ CLIFFORD A. GLADSON
                                                        -----------------------
Sherron A. Kirk            Vice President,
                           Senior Financial Officer     /S/ SHERRON A. KIRK
                                                        -----------------------
Caryl J. Swann             Executive Director,
                           Mutual Fund Analysis
                           and Support                  /S/ CARYL J. SWANN
                                                        -----------------------

IN WITNESS  WHEREOF,  I have executed this  Certificate  as of this 11th day of
January, 2000.

                                                        /S/ MICHAEL D. WAGNER
                                                        ---------------------
                                                        MICHAEL D. WAGNER
                                                        Secretary
<PAGE>
I, Michael J.C.  Roth,  President of USAA Mutual Fund,  Inc.,  USAA  Investment
Trust,  USAA Tax Exempt Fund, Inc. And USAA State Tax-Free Trust hereby certify
that  Michael D. Wagner is, and has been at all times since a date prior to the
date of this Certificate,  the duly elected, qualified, and acting Secretary of
USAA Mutual Fund, Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. And
USAA State  Tax-Free  Trust and that the  signature set forth above is his true
and correct signature.

DATE: January 11, 2000                                 /S/ MICHAEL J. C. ROTH
                                                       -----------------------
                                                       MICHAEL J. C. ROTH
                                                       President

<PAGE>


                                                   EXHIBIT 8(e)
<PAGE>

January 12, 2000

USAA Mutual Fund, Inc.,
USAA Investment Trust,
USAA Tax Exempt Fund, Inc., and
USAA State Tax-Free Trust, on behalf of and for the
benefit of the series
of funds comprising each such Borrower
as set forth on Schedule A hereto
9800 Fredericksburg Road
San Antonio, Texas 78288

Attention:  Michael J.C. Roth, President

Gentlemen:

This  Facility  Agreement  Letter (this  "Agreement")  sets forth the terms and
conditions for loans (each a "Loan" and collectively the "Loans") which Bank of
America, N.A., successor by merger to NationsBank, N.A. (the "Bank"), agrees to
make during the period commencing  January 12, 2000 and ending January 11, 2001
(the "Facility  Period") to USAA Mutual Fund, Inc., USAA Investment Trust, USAA
Tax Exempt Fund,  Inc.,  and USAA State  Tax-Free  Trust,  and each  investment
company which may become a party hereto pursuant to the terms of this Agreement
(each  a  "Borrower"  and  collectively  the  "Borrowers"),  each of  which  is
executing  this  Agreement  on behalf of and for the  benefit  of the series of
funds  comprising  each such  Borrower  as set forth on  Schedule  A hereto (as
hereafter  modified or amended in  accordance  with the terms  hereof)  (each a
"Fund" and collectively the "Funds"),  under a master revolving credit facility
(the "Facility"). This Agreement replaces in its entirety that certain Facility
Agreement  Letter dated January 13, 1999,  as  heretofore  amended or modified,
between the Borrowers and the Bank. The Bank and the Borrowers  hereby agree as
follows:

       1. AMOUNT.  The aggregate  principal  amount of the Loans to be advanced
under this Facility shall not exceed, at any one time outstanding,  One Hundred
Million  United States  Dollars (U.S.  $100,000,000)  (the  "Commitment").  The
aggregate principal amount of the Loans which may be borrowed by a Borrower for
the benefit of a  particular  Fund under the  Facility  and the Other  Facility
(hereinafter  defined) shall not exceed the

<PAGE>
percentage  (the  "Borrowing  Limit")  of the total  assets of such Fund as set
forth on Schedule A hereto.

       2. PURPOSE AND  LIMITATIONS  ON  BORROWINGS.  Each Borrower will use the
proceeds of each Loan made to it solely for temporary or emergency  purposes of
the Fund for whose  benefit it is  borrowing  in  accordance  with such  Fund's
Borrowing  Limit and  prospectus in effect at the time of such Loan.  Portfolio
securities  may not be  purchased  by a Fund while there is a Loan  outstanding
under the Facility and/or a loan  outstanding  under the Other Facility for the
benefit of such Fund, if the aggregate  amount of such Loan and such other loan
exceeds 5% of the total assets of such Fund.  The Borrowers  will not, and will
not permit any Fund to,  directly or  indirectly,  use any proceeds of any Loan
for any purpose which would violate any  provision of any  applicable  statute,
regulation, order or restriction,  including, without limitation, Regulation U,
Regulation T, Regulation X or any other regulation of the Board of Governors of
the Federal Reserve System or the Securities  Exchange Act of 1934, as amended.
If requested by the Bank, the Borrowers  will promptly  furnish the Bank with a
statement in conformity  with the  requirements  of Federal Reserve Form U-1 as
referred to in Regulation U.

       3.  BORROWING  RATE AND MATURITY OF LOANS.  The principal  amount of the
Loans  outstanding  from time to time shall bear  interest  at a rate per annum
equal to, at the option of the applicable Borrower(s), (i) the aggregate of the
Federal  Funds Rate (as defined  below) plus .50 of one percent  (1%) (50 basis
points) or (ii) the aggregate of the London Interbank  Offered Rate (as defined
below) plus 50 basis points.  The rate of interest  payable on such outstanding
amounts  shall  change on each date that the Federal  Funds Rate shall  change.
Interest  on the Loans shall be  calculated  on the basis of a year of 360 days
and the actual days elapsed but shall not exceed the highest lawful rate.  Each
Loan  will  be for an  established  number  of days  to be  agreed  upon by the
applicable Borrower(s) and the Bank and, in the absence of such agreement, will
mature on the earlier of three  months  after the date of such Loan or the last
day of the  Facility  Period.  The term  "Federal  Funds Rate," as used herein,
shall mean the overnight  rate for Federal funds  transactions  between  member
banks of the Federal Reserve  System,  as published by the Federal Reserve Bank
of New York or, if not so published, as determined in good faith by the Bank in
accordance with its customary practices; and the term "London Interbank Offered
Rate," as used  herein,

<PAGE>
shall mean the rate per annum (rounded  upwards,  if necessary,  to the nearest
1/100 of 1%)  appearing on Telerate  Page 3750 (or any  successor  page) as the
London interbank  offered rate for deposits in Dollars at  approximately  11:00
a.m.  London  time two  business  days  prior to the first day of the  interest
period  (of 7 or 14  days  or one,  two or  three  months  as  selected  by the
Borrower(s)) for which the London Interbank Offered Rate is to be in effect, as
adjusted  by the  Bank in good  faith  and in  accordance  with  its  customary
practices for any reserve costs imposed on the Bank under Federal Reserve Board
Regulation D with respect to "Euro-currency Liabilities".  The London Interbank
Offered Rate shall not be  available  hereunder if it would be unlawful for the
Bank to make or maintain  Loans based on such rate or if such rate does not, in
the good faith  judgment  of the Bank,  fairly  reflect the cost to the Bank of
making or maintaining  Loans.  The London  Interbank  Offered Rate shall not be
available for any interest  period which,  if such rate were  available,  would
begin after the occurrence and during the  continuation  of an Event of Default
(as defined below).  Any past due principal  and/or accrued interest shall bear
interest at a rate per annum equal to the  aggregate of the Federal  Funds Rate
plus 1.50  percent  (150 basis  points) and shall be payable on demand.  If the
applicable  Borrowers do not  affirmatively  elect to have a Loan or Loans bear
interest based on the London Interbank  Offered Rate at least two business days
prior to the first day of a possible interest period applicable  thereto,  such
Loan or Loans shall bear  interest  based on the Federal  Funds Rate until such
election is affirmatively made.

       4. ADVANCES, PAYMENTS,  PREPAYMENTS AND READVANCES. Upon each Borrower's
request,  and subject to the terms and conditions  contained  herein,  the Bank
shall  make  Loans to each  Borrower  on behalf of and for the  benefit  of its
respective  Fund(s) during the Facility  Period,  and each Borrower may borrow,
repay and  reborrow  funds  hereunder.  The Loans shall be  evidenced by a duly
executed and delivered  Master Grid  Promissory  Note in the form of EXHIBIT A.
Each Loan shall be in an  aggregate  amount not less than One Hundred  Thousand
United States  Dollars (U.S.  $100,000) and  increments of One Thousand  United
States  Dollars  (U.S.  $1,000) in excess  thereof.  Payment of  principal  and
interest due with respect to each Loan shall be payable at the maturity of such
Loan and shall be made in funds  immediately  available  to the Bank prior to 2
p.m. Dallas time on the day such payment is due, or as the Bank shall otherwise
direct from time to time and, subject to the terms and conditions  hereof,  may
be repaid with the proceeds of a new borrowing  hereunder.  Notwithstanding any
provision of

<PAGE>
this  Agreement to the  contrary,  all Loans,  accrued but unpaid  interest and
other amounts payable  hereunder  shall be due and payable upon  termination of
the  Facility  (whether by  acceleration  or  otherwise).  If any Loan  bearing
interest based on the London Interbank  Offered Rate is repaid or prepaid other
than on the last day of an interest period applicable  thereto,  the Fund which
is the beneficiary of such Loan shall pay to the Bank promptly upon demand such
amount as the Bank determines in good faith is necessary to compensate the Bank
for any  reasonable  cost or expense  incurred  by the Bank as a result of such
repayment or  prepayment  in connection  with the  reemployment  of funds in an
amount equal to such repayment or prepayment. Whenever the Bank seeks to assess
for any such cost or expense it will provide a certificate  as the  Borrower(s)
shall reasonably request.

       5. FACILITY  FEE.  Beginning  with the date of this  Agreement and until
such time as all Loans have been  irrevocably  repaid to the Bank in full,  and
the Bank is no longer obligated to make Loans, the Funds (to be allocated among
the Funds as the Borrowers deem  appropriate)  shall pay to the Bank a facility
fee (the  "Facility  Fee") in the amount of .09 of one percent (9 basis points)
of the amount of the  Commitment,  as it may be reduced  pursuant to section 6.
The Facility  Fee shall be payable  quarterly  in arrears  beginning  March 31,
2000,  and  upon  termination  of the  Facility  (whether  by  acceleration  or
otherwise).

       6. OPTIONAL TERMINATION OR REDUCTION OF COMMITMENT.  The Borrowers shall
have the right upon at least three (3) business  days prior  written  notice to
the Bank, to terminate or reduce the unused portion of the Commitment. Any such
reduction  of the  Commitment  shall be in the  amount of Five  Million  United
States Dollars (U.S. $5,000,000) or any larger integral multiple of One Million
United States  Dollars (U.S.  $1,000,000)  (except that any reduction may be in
the aggregate  amount of the unused  Commitment).  Accrued fees with respect to
the terminated Commitment shall be payable to the Bank on the effective date of
such termination.

       7.   MANDATORY   TERMINATION  OF   COMMITMENT.   The  Commitment   shall
automatically  terminate on the last day of the  Facility  Period and any Loans
then outstanding  (together with accrued interest thereon and any other amounts
owing hereunder) shall be due and payable on such date.

<PAGE>
       8.  COMMITTED  FACILITY.  The Bank  acknowledges  that the Facility is a
committed  facility  and  that the Bank  shall  be  obligated  to make any Loan
requested during the Facility Period under this Agreement, subject to the terms
and conditions hereof; provided,  however, that the Bank shall not be obligated
to make any Loan if this Facility has been  terminated by the Borrowers,  or if
at the time of a request for a Loan by a Borrower (on behalf of the  applicable
Fund(s)) there exists any Event of Default or condition which, with the passage
of time or giving of notice,  or both,  would  constitute or become an Event of
Default with respect to such Borrower (or such applicable Fund(s)).

       9. LOAN  REQUESTS.  Each request for a Loan (each a "Borrowing  Notice")
shall be in writing by the applicable Borrower(s), except that such Borrower(s)
may make an oral  request  (each an "Oral  Request")  provided  that  each Oral
Request  shall be followed by a written  Borrowing  Notice  within one business
day. Each Borrowing  Notice shall specify the following  terms ("Terms") of the
requested  Loan:  (i) the date on which such Loan is to be disbursed,  (ii) the
principal amount of such Loan,  (iii) the Borrower(s)  which are borrowing such
Loan and the  amount of such Loan to be  borrowed  by each  Borrower,  (iv) the
Funds for whose  benefit the Loan is being  borrowed and the amount of the Loan
which is for the benefit of each such Fund,  (v)  whether  such Loan shall bear
interest at the Federal Funds Rate or the London  Interbank  Offered Rate,  and
(vi) the requested  maturity date of the Loan. Each Borrowing Notice shall also
set forth the total assets of each Fund for whose benefit a portion of the Loan
is being borrowed as of the close of business on the day immediately  preceding
the date of such Borrowing Notice.  Borrowing Notices shall be delivered to the
Bank by 1:00 p.m.  Dallas time on the day the Loan is  requested  to be made if
such Loan is to bear interest  based on the Federal Funds Rate or by 10:00 a.m.
Dallas time on the second  business day before the Loan is requested to be made
if such Loan is to bear interest based on the London Interbank Offered Rate.

Each  Borrowing  Notice shall  constitute a  representation  to the Bank by the
applicable  Borrower(s)  that  all of the  representations  and  warranties  in
Section  12 hereof  are true and  correct  as of such date and that no Event of
Default or other  condition which with the passage of time or giving of notice,
or both, would result in an Event of Default, has occurred or is occurring.

       10.  CONFIRMATIONS;  CREDITING  OF FUNDS;  RELIANCE  BY THE  BANK.  Upon
receipt by the Bank of a Borrowing Notice:

                (a) The  Bank  shall  send  each  applicable  Borrower  written
       confirmation  of the Terms of such Loan via  facsimile or  telecopy,  as
       soon as reasonably practicable;  provided,  however, that the failure to
       do so shall not affect the obligation of any such Borrower;

                (b) The Bank shall make such Loan in accordance  with the Terms
       by transfer of the Loan amount in immediately  available  funds,  to the
       account of the applicable  Borrower(s) as specified in EXHIBIT B to this
       Agreement or as such Borrower(s)  shall otherwise specify to the Bank in
       a writing signed by an Authorized  Individual (as defined in Section 11)
       of such Borrower(s) and sent to the Bank via facsimile or telecopy; and

                (c) The Bank shall make appropriate  entries on the Note or the
       records of the Bank to reflect the Terms of the Loan; provided, however,
       that the  failure  to do so  shall  not  affect  the  obligation  of any
       Borrower.

The Bank shall be entitled to rely upon and act hereunder  pursuant to any Oral
Request  which it  reasonably  believes  to have  been  made by the  applicable
Borrower through an Authorized  Individual.  If any Borrower  believes that the
confirmation  relating to any Loan contains any error or  discrepancy  from the
applicable Oral Request, such Borrower will promptly notify the Bank thereof.

       11.  BORROWING  RESOLUTIONS  AND OFFICERS'  CERTIFICATES;  SUBORDINATION
AGREEMENT.  Prior to the making of any Loan  pursuant  to this  Agreement,  the
Borrowers  shall have  delivered to the Bank (a) the duly  executed  Note,  (b)
resolutions of each Borrower's Trustees or Board of Directors  authorizing such
Borrower to execute,  deliver and perform this Agreement and the Note on behalf
of the applicable Funds, (c) an Officer's Certificate in substantially the form
set  forth in  EXHIBIT D to this  Agreement,  authorizing  certain  individuals
("Authorized  Individuals"),  to take on behalf of each  Borrower (on behalf of
the applicable Funds) actions  contemplated by this Agreement and the Note, (d)
a subordination  agreement in substantially  the form set forth in EXHIBIT E to
this Agreement,  and (e) the opinion of counsel to USAA

<PAGE>
Investment  Management  Company,  manager  and advisor to the  Borrowers,  with
respect to such matters as the Bank may reasonably request.

       12. REPRESENTATIONS AND WARRANTIES. In order to induce the Bank to enter
into this Agreement and to make the Loans provided for hereunder, each Borrower
hereby  makes with  respect to itself,  and as may be  relevant,  the series of
Funds  comprising such Borrower the following  representations  and warranties,
which shall survive the execution and delivery hereof and of the Note:

                (a) ORGANIZATION,  STANDING, ETC. The Borrower is a corporation
       or trust duly organized,  validly  existing,  and in good standing under
       applicable state laws and has all requisite corporate or trust power and
       authority to carry on its  respective  businesses  as now  conducted and
       proposed to be  conducted,  to enter into this  Agreement  and all other
       documents  to be  executed  by it in  connection  with the  transactions
       contemplated hereby, to issue and borrow under the Note and to carry out
       the terms hereof and thereof;

                (b) FINANCIAL  INFORMATION;  DISCLOSURE,  ETC. The Borrower has
       furnished  the Bank with certain  financial  statements of such Borrower
       with  respect  to itself  and the  applicable  Funds,  all of which such
       financial  statements  have been prepared in accordance  with  generally
       accepted accounting  principles applied on a consistent basis and fairly
       present  the  financial  position  and  results  of  operations  of such
       Borrower  and the  applicable  Funds on the  dates  and for the  periods
       indicated. Neither this Agreement nor any financial statements,  reports
       or  other  documents  or  certificates  furnished  to the  Bank  by such
       Borrower or the  applicable  Funds in connection  with the  transactions
       contemplated  hereby contain any untrue  statement of a material fact or
       omit to  state  any  material  fact  necessary  to make  the  statements
       contained herein or therein in light of the circumstances  when made not
       misleading;

                (c)  AUTHORIZATION;  COMPLIANCE  WITH  OTHER  INSTRUMENTS.  The
       execution,  delivery and performance of this Agreement and the Note, and
       borrowings  hereunder,  have  been  duly  authorized  by  all  necessary
       corporate  or trust  action of the  Borrower  and will not result in any
       violation of or be in conflict  with or  constitute a default  under any
       term of the charter,  by-laws or trust agreement of such Borrower or the

<PAGE>
       applicable  Funds,  or of any  borrowing  restrictions  or prospectus or
       statement of additional  information  of such Borrower or the applicable
       Funds,  or  of  any  agreement,  instrument,  judgment,  decree,  order,
       statute, rule or governmental regulation applicable to such Borrower, or
       result in the creation of any mortgage, lien, charge or encumbrance upon
       any of the properties or assets of such Borrower or the applicable Funds
       pursuant to any such term. The Borrower and the applicable Funds are not
       in violation of any term of their respective  charter,  by-laws or trust
       agreement,  and  such  Borrower  and  the  applicable  Funds  are not in
       violation of any material  term of any  agreement or instrument to which
       they are a party,  or to the best of such Borrower's  knowledge,  of any
       judgment,  decree,  order,  statute,  rule  or  governmental  regulation
       applicable to them;

                (d) SEC COMPLIANCE.  The Borrower and the applicable  Funds are
       in  compliance  in all  material  respects  with all  federal  and state
       securities  or similar  laws and  regulations,  including  all  material
       rules,  regulations  and  administrative  orders of the  Securities  and
       Exchange Commission (the "SEC") and applicable Blue Sky authorities. The
       Borrower  and the  applicable  Funds are in  compliance  in all material
       respects  with all of the  provisions of the  Investment  Company Act of
       1940,  and such  Borrower  has filed all  reports  with the SEC that are
       required of it or the applicable Funds;

                (e) LITIGATION.  There is no action, suit or proceeding pending
       or, to the best of the  Borrower's  knowledge,  threatened  against such
       Borrower or the  applicable  Funds in any court or before any arbitrator
       or  governmental  body which seeks to restrain  any of the  transactions
       contemplated by this Agreement or which, if adversely determined,  could
       have a material  adverse effect on the assets or business  operations of
       such  Borrower or the  applicable  Funds or the ability of such Borrower
       and the applicable Funds to pay and perform their obligations  hereunder
       and under the Notes;

                (f) BORROWERS'  RELATIONSHIP TO FUNDS.  The assets of each Fund
       for whose  benefit  Loans are  borrowed by the  applicable  Borrower are
       subject to and liable for such Loans and are available to the applicable
       Borrower for the repayment of such Loans; and

<PAGE>
                (g) YEAR 2000 PREPAREDNESS.  The Borrower has (i) initiated a
         review and  assessment of all areas within its business and operations
         (including  those affected by suppliers,  vendors and customers)  that
         could be adversely  affected by the "Year 2000 Problem"  (that is, the
         risk that computer applications used by such Borrower may be unable to
         recognize  and perform  properly  date-sensitive  functions  involving
         certain  dates prior to and any date after  December 31,  1999),  (ii)
         developed a plan and timeline for  addressing the Year 2000 Problem on
         a timely basis, and (iii) to date, implemented that plan in accordance
         with that timetable.  Based on the foregoing, such Borrower reasonably
         believes  that all  computer  applications  that are  material  to its
         business and operations  are reasonably  expected on a timely basis to
         be able to perform  properly  date-sensitive  functions  for all dates
         before and after January 1, 2000 (that is, be "Year 2000  compliant"),
         except to the extent that a failure to do so could not  reasonably  be
         expected to have a material  adverse  effect on the assets or business
         operations of such Borrower or the applicable  Funds or the ability of
         such  Borrower  and the  applicable  Funds  to pay and  perform  their
         obligations hereunder and under the Notes.

       13.  AFFIRMATIVE  COVENANTS  OF THE  BORROWERS.  Until  such time as all
amounts of principal and interest due to the Bank by a Borrower pursuant to any
Loan made to such Borrower is  irrevocably  paid in full, and until the Bank is
no longer  obligated to make Loans to such Borrower,  such Borrower (for itself
and on behalf of its respective Funds) agrees:

                (a) To deliver to the Bank as soon as possible and in any event
       within  ninety  (90)  days  after  the end of each  fiscal  year of such
       Borrower and the applicable Funds, Statements of Assets and Liabilities,
       Statements of Operations and Statements of Changes in Net Assets of each
       applicable  Fund for such fiscal year,  as set forth in each  applicable
       Fund's Annual Report to shareholders  together with a calculation of the
       maximum  amount  which  each  applicable  Fund  could  borrow  under its
       Borrowing Limit as of the end of such fiscal year;

                (b) To  deliver  to the  Bank as soon as  available  and in any
       event  within  seventy-five  (75) days after the end of each  semiannual
       period of such Borrower and the applicable  Funds,  Statements of Assets

<PAGE>
       and  Liabilities,  Statements of Operations and Statements of Changes in
       Net  Assets  of each  applicable  Fund as of the end of such  semiannual
       period,  as set forth in each  applicable  Fund's  Semiannual  Report to
       shareholders,  together with a calculation  of the maximum  amount which
       each  applicable  Fund could borrow under its Borrowing Limit at the end
       of such semiannual period;

                (c) To deliver to the Bank prompt  notice of the  occurrence of
       any event or condition which  constitutes,  or is likely to result in, a
       change in such Borrower or any applicable Fund which could reasonably be
       expected to materially  adversely  affect the ability of any  applicable
       Fund to  promptly  repay  outstanding  Loans made for its benefit or the
       ability of such Borrower to perform its obligations under this Agreement
       or the Note;

                (d) To do,  or  cause  to be  done,  all  things  necessary  to
       preserve  and keep in full  force  and  effect  the  corporate  or trust
       existence  of such  Borrower  and all  permits,  rights  and  privileges
       necessary  for  the  conduct  of its  businesses  and to  comply  in all
       material  respects with all  applicable  laws,  regulations  and orders,
       including without limitation,  all rules and regulations  promulgated by
       the SEC;

                (e) To promptly notify the Bank of any  litigation,  threatened
       legal  proceeding or  investigation  by a governmental  authority  which
       could  materially  affect the ability of such Borrower or the applicable
       Funds to promptly repay the outstanding Loans or otherwise perform their
       obligations hereunder;

                (f) In the event a Loan for the benefit of a particular Fund is
       not  repaid in full  within 10 days after the date it is  borrowed,  and
       until such Loan is repaid in full,  to  deliver to the Bank,  within two
       business  days  after  each  Friday  occurring  after  such 10th day,  a
       statement setting forth the total assets of such Fund as of the close of
       business on each such Friday; and

                (g) Upon the request of the Bank, which may be made by the Bank
       from  time to time in the  event the Bank in good  faith  believes  that
       there  has  been  a  material  adverse  change  in the  capital  markets
       generally,  to deliver to the Bank,  within two business days after such

<PAGE>
       request,  a statement  setting  forth the total  assets of each Fund for
       whose benefit a Loan is outstanding on the date of such request.

       14. NEGATIVE COVENANTS OF THE BORROWERS.  Until such time as all amounts
of principal  and  interest due to the Bank by a Borrower  pursuant to any Loan
made to such  Borrower is  irrevocably  paid in full,  and until the Bank is no
longer obligated to make Loans to such Borrower,  such Borrower (for itself and
on behalf of its respective Funds) agrees:

                (a) Not to incur any  indebtedness  for  borrowed  money (other
       than pursuant to a  $750,000,000  uncommitted  master  revolving  credit
       facility  with USAA  Capital  Corporation  (the  "Other  Facility")  and
       overdrafts  incurred at the  custodian of the Funds from time to time in
       the  ordinary  course of business)  except the Loans,  without the prior
       written  consent of the Bank,  which  consent  will not be  unreasonably
       withheld; and

                (b) Not to dissolve or  terminate  its  existence,  or merge or
       consolidate   with  any  other   person  or  entity,   or  sell  all  or
       substantially  all of its  assets in a single  transaction  or series of
       related  transactions  (other than assets  consisting of margin  stock),
       each without the prior written  consent of the Bank,  which consent will
       not be unreasonably withheld;  provided that a Borrower may without such
       consent merge,  consolidate  with, or purchase  substantially all of the
       assets of, or sell  substantially  all of its  assets to, an  affiliated
       investment  company or series thereof,  as provided for in Rule 17a-8 of
       the Investment Company Act of 1940.

       15. EVENTS OF DEFAULT. If any of the following events (each an "Event of
Default")  shall  occur  (it being  understood  that an Event of  Default  with
respect to one Fund or Borrower  shall not  constitute an Event of Default with
respect to any other Fund or Borrower):

                (a) Any  Borrower  or Fund  shall  default  in the  payment  of
       principal or interest on any Loan or any other fee due  hereunder  for a
       period of five (5) days after the same becomes due and payable,  whether
       at maturity or with  respect to the Facility Fee at a date fixed for the
       payment thereof;

<PAGE>
                (b) Any Borrower or Fund shall default in the performance of or
       compliance with any term contained in Section 13 hereof and such default
       shall not have been  remedied  within  thirty  (30) days  after  written
       notice thereof shall have been given such Borrower or Fund by the Bank;

                (c) Any  Borrower or Fund shall default  in the  performance of
       or compliance  with any term contained in Section 14 hereof;

                (d) Any Borrower or Fund shall  default in the  performance  or
       compliance  with any other term contained  herein and such default shall
       not have been  remedied  within  thirty (30) days after  written  notice
       thereof shall have been given such Borrower or Fund by the Bank;

                (e) Any  representation  or warranty made by a Borrower or Fund
       herein or pursuant hereto shall prove to have been false or incorrect in
       any material respect when made;

                (f) USAA Investment Management Company or any successor manager
       or investment  adviser,  provided that such  successor is a wholly-owned
       subsidiary  of USAA Capital  Corporation,  shall cease to be the Manager
       and investment advisor of each Fund; or

                (g) An event of default shall occur and be continuing under the
       Other Facility;

then, in any event, and at any time  thereafter,  if any Event of Default shall
be continuing,  the Bank may by written  notice to the  applicable  Borrower or
Fund (i) terminate its  commitment to make any Loan  hereunder,  whereupon said
commitment shall forthwith  terminate without any other notice of any kind with
respect to such Borrower or Fund and (ii) declare the principal and interest in
respect of any outstanding Loans with respect to such Borrower or Fund, and all
other  amounts due  hereunder  with  respect to such  Borrower  or Fund,  to be
immediately  due and payable  whereupon  the  principal and interest in respect
thereof and all other  amounts due  hereunder  shall become  forthwith  due and
payable without presentment,  demand,  protest or other notice of any kind, all
of which are expressly waived by the Borrowers.

<PAGE>
       16.  NEW  BORROWERS;  NEW  FUNDS.  So long as no  Event  of  Default  or
condition  which,  with the  passage of time or the giving of notice,  or both,
would  constitute or become an Event of Default has occurred and is continuing,
and with the prior consent of the Bank,  which consent will not be unreasonably
withheld:

                (a) Any investment company that becomes part of the same "group
       of  investment  companies"  (as that term is defined in Rule 11a-3 under
       the  Investment  Company Act of 1940) as the original  Borrowers to this
       Agreement,  may, by  submitting  an amended  Schedule A and Exhibit B to
       this Agreement to the Bank (which amended Schedule A and Exhibit B shall
       replace  the  Schedule  A and  Exhibit  B which  are then a part of this
       Agreement) and such other documents as the Bank may reasonably  request,
       become a party to this Agreement and may become a "Borrower"  hereunder;
       and

                (b) A Borrower  may, by  submitting  an amended  Schedule A and
       Exhibit B to this  Agreement to the Bank (which  amended  Schedule A and
       Exhibit B shall  replace  the  Schedule A and Exhibit B which are then a
       part of this  Agreement),  add  additional  Funds for whose benefit such
       Borrower  may borrow  Loans.  No such  amendment  of  Schedule A to this
       Agreement shall amend the Borrowing Limit applicable to any Fund without
       the prior consent of the Bank.

       17. LIMITED RECOURSE. The Bank agrees (i) that any claim,  liability, or
obligation  arising  hereunder  or under the Note  whether  on  account  of the
principal of any Loan,  interest thereon,  or any other amount due hereunder or
thereunder  shall be satisfied  only from the assets of the  specific  Fund for
whose  benefit a Loan is  borrowed  and in any event in an amount not to exceed
the outstanding  principal amount of any Loan borrowed for such Fund's benefit,
together  with  accrued and unpaid  interest  due and owing  thereon,  and such
Fund's  share  of any  other  amount  due  hereunder  and  under  the  Note (as
determined in accordance with the provisions hereof) and (ii) that no assets of
any Fund shall be used to satisfy any claim,  liability,  or obligation arising
hereunder or under the Note with respect to the outstanding principal amount of
any Loan  borrowed  for the benefit of any other Fund or any accrued and unpaid
interest  due and owing  thereon or such other Fund's share of any other amount
due  hereunder  and  under  the  Note (as  determined  in  accordance  with the
provisions hereof).

<PAGE>
       18. REMEDIES ON DEFAULT. In case any one or more Events of Default shall
occur and be continuing, the Bank may proceed to protect and enforce its rights
by an action at law, suit in equity or other appropriate  proceedings,  against
the applicable Borrower(s) and/or Fund(s), as the case may be. In the case of a
default  in the  payment of any  principal  or  interest  on any Loan or in the
payment of any fee due hereunder,  the relevant  Fund(s) (to be allocated among
such  Funds as the  Borrowers  deem  appropriate)  shall  pay to the Bank  such
further  amount  as  shall be  sufficient  to cover  the  cost and  expense  of
collection,  including,  without  limitation,  reasonable  attorney's  fees and
expenses.

       19. NO WAIVER OF  REMEDIES.  No course of dealing or failure or delay on
the part of the Bank in exercising  any right or remedy  hereunder or under the
Note shall  constitute  a waiver of any right or remedy  hereunder or under the
Note, nor shall any partial  exercise of any right or remedy hereunder or under
the Note  preclude  any further  exercise  thereof or the exercise of any other
right or remedy hereunder or under the Note. Such rights and remedies expressly
provided are  cumulative  and not exclusive of any rights or remedies which the
Bank would otherwise have.

       20.  EXPENSES.  The  Fund(s)  (to be  allocated  among  the Funds as the
Borrowers deem  appropriate)  shall pay on demand all reasonable  out-of-pocket
costs and expenses (including reasonable attorney's fees and expenses) incurred
by the  Bank in  connection  with  the  collection  and any  other  enforcement
proceedings of or regarding this Agreement, any Loan or the Note.

       21.  BENEFIT OF AGREEMENT.  This Agreement and the Note shall be binding
upon  and  inure  for  the  benefit  of and be  enforceable  by the  respective
successors  and assigns of the parties  hereto;  provided that no party to this
Agreement  or the Note may  assign any of its rights  hereunder  or  thereunder
without the prior written  consent of the other parties.  The Bank may not sell
participations  and  subparticipations  in all or any  part of the  Loans  made
hereunder  without the prior consent of the Borrowers,  which consent shall not
be unreasonably withheld.

       22.  NOTICES.  All notices  hereunder  and all  written,  facsimiled  or
telecopied  confirmations  of Oral Requests made hereunder shall be sent to

<PAGE>
the Borrowers as indicated on EXHIBIT B and to the Bank as indicated on EXHIBIT
C. Written  communications  shall be deemed to have been duly given and made as
follows: If sent by mail, seventy-two (72) hours after deposit in the mail with
first-class postage prepaid, addressed as provided in EXHIBIT B (the Borrowers)
and EXHIBIT C (the Bank);  and in the case of facsimile  or telecopy,  when the
facsimile or telecopy is received if on a business day or otherwise on the next
business day.

       23.  MODIFICATIONS.  No provision  of this  Agreement or the Note may be
waived,  modified  or  discharged  except by mutual  written  agreement  of all
parties. THIS WRITTEN LOAN AGREEMENT AND THE NOTE REPRESENT THE FINAL AGREEMENT
BETWEEN  THE  PARTIES  AND  MAY  NOT BE  CONTRADICTED  BY  EVIDENCE  OF  PRIOR,
CONTEMPORANEOUS  OR SUBSEQUENT  ORAL  AGREEMENTS  OF THE PARTIES.  THERE ARE NO
UNWRITTEN AGREEMENTS BETWEEN THE PARTIES.

       24.  INCREASED  COST AND REDUCED  RETURN.  If at any time after the date
hereof,  the Bank (which  shall  include,  for  purposes of this  Section,  any
corporation  controlling the Bank) determines that the adoption or modification
of any applicable law regarding the Bank's required  levels of reserves,  other
than the reserve  requirement  taken into  account  when  computing  the London
Interbank  Offered  Rate as  provided in Section 3, or capital  (including  any
allocation of capital requirements or conditions), or similar requirements,  or
any  interpretation  or  administration  thereof  by  a  governmental  body  or
compliance  by the Bank with any of such  requirements,  has or would  have the
effect of (a)  increasing  the  Bank's  costs  relating  to the  Loans,  or (b)
reducing the yield or rate of return of the Bank on the Loans, to a level below
that which the Bank could have achieved but for the adoption or modification of
any such  requirements,  the  Funds  (to be  allocated  among  the Funds as the
Borrowers deem appropriate)  shall,  within fifteen (15) days of any request by
the Bank,  pay to the Bank  such  additional  amounts  as (in the  Bank's  sole
judgment, after good faith and reasonable computation) will compensate the Bank
for such increase in costs or reduction in yield or rate of return of the Bank.
Whenever  the  Bank  shall  seek  compensation  for any  increase  in  costs or
reduction in yield or rate of return,  the Bank shall provide a certificate  as
the Borrower(s) shall reasonably request. Failure by the Bank to demand payment
within 90 days of any additional  amounts payable  hereunder shall constitute a
waiver of the

<PAGE>
Bank's right to demand payment of such amounts at any subsequent time.  Nothing
herein  contained  shall be construed or so operate as to require the Borrowers
or the  Funds to pay any  interest,  fees,  costs or  charges  greater  than is
permitted by applicable law.

       25. GOVERNING LAW AND JURISDICTION.  This Agreement shall be governed by
and construed in accordance  with the laws of the state of Texas without regard
to the choice of law provisions thereof.

       26. TRUST  DISCLAIMER.  Neither the  shareholders,  trustees,  officers,
employees and other agents of any Borrower or Fund shall be personally bound by
or liable for any indebtedness,  liability or obligation hereunder or under the
Note nor shall resort be had to their private  property for the satisfaction of
any obligation or claim hereunder.

If this letter  correctly  reflects your agreement with us, please execute both
copies hereof and return one to us,  whereupon this Agreement  shall be binding
upon the Borrowers, the Funds and the Bank.

Sincerely,

BANK OF AMERICA, N.A.

By:
     ---------------------
    Title:
           ---------------

AGREED AND ACCEPTED:

USAA MUTUAL FUND, INC.,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By: /S/ MICHAEL J. C. ROTH
    ----------------------
    Michael J.C. Roth
    President
<PAGE>
USAA INVESTMENT  TRUST,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By: /S/MICHAEL J. C. ROTH
    ----------------------
    Michael J.C. Roth
    President


USAA TAX EXEMPT FUND,  INC.,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By: /S/ MICHAEL J. C. ROTH
    ----------------------
    Michael J.C. Roth
    President


USAA STATE  TAX-FREE  TRUST,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By: /S/MICHAEL J. C. ROTH
    ---------------------
    Michael J.C. Roth
    President

<PAGE>
                                   SCHEDULE A

                       FUNDS FOR WHOSE BENEFIT LOANS CAN
                      BE BORROWED UNDER FACILITY AGREEMENT
                              AND BORROWING LIMIT

                                                      Maximum Percent of the
                                                      Total Assets Which Can
                                                    Be Borrowed Under Facility
  BORROWER                       FUNDS             AGREEMENT AND OTHER FACILITY
  --------                       -----             ----------------------------
USAA Mutual Fund, Inc.      USAA Aggressive Growth             25%
                            USAA Growth & Income               25
                            USAA Income Stock                  25
                            USAA Short-Term Bond               25
                            USAA Money Market                  25
                            USAA Growth                        25
                            USAA Income                        25
                            USAA S&P 500 Index                 25
                            USAA Science & Technology          25
                            USAA First Start Growth            25
                            USAA High Yield Opportunities      25
                            USAA Intermediate-Term Bond        25
                            USAA Small Cap Stock               25

USAA Investment Trust       USAA Cornerstone Strategy          25
                            USAA Gold                          25
                            USAA International                 25
                            USAA World Growth                  25
                            USAA GNMA Trust                    25
                            USAA Treasury Money Market Trust   25
                            USAA Emerging Markets              25
                            USAA Growth and Tax Strategy       25
                            USAA Growth Strategy               25
                            USAA Income Strategy               25
                            USAA Balanced Strategy             25

USAA Tax Exempt Fund, Inc.  USAA Long-Term                     15
                            USAA Intermediate-Term             15
                            USAA Short-Term                    15
                            USAA Tax Exempt Money Market       15
                            USAA California Bond               15
                            USAA California Money Market       15
                            USAA New York Bond                 15
                            USAA New York Money Market         15
                            USAA Virginia Bond                 15
                            USAA Virginia Money Market         15

<PAGE>
USAA State Tax-Free Trust   USAA Florida Tax-Free Income       15
                            USAA Florida Tax-Free Money Market 15
                            USAA Texas Tax-Free Income         15
                            USAA Texas Tax-Free Money Market   15

<PAGE>
                                   EXHIBIT A

                          MASTER GRID PROMISSORY NOTE

U.S. $100,000,000                                      Dated:  January 12, 2000

         FOR VALUE  RECEIVED,  each of the  undersigned  (each a "Borrower" and
collectively the "Borrowers"),  severally and not jointly, on behalf of and for
the benefit of the series of funds  comprising  each such Borrower as listed on
Schedule A to the  Agreement as defined  below (each a "Fund" and  collectively
the "Funds") promises to pay to the order of BANK OF AMERICA, N.A. (the "Bank")
at the Bank's office located at 901 Main Street,  Dallas,  Dallas County, Texas
75202,  in  lawful  money of the  United  States  of  America,  in  immediately
available  funds,  the  principal  amount of all Loans made by the Bank to such
Borrower for the benefit of the applicable  Funds under the Facility  Agreement
Letter dated January 12, 2000 (as amended or modified, the "Agreement"),  among
the Borrowers and the Bank, together with interest thereon at the rate or rates
set forth in the Agreement.  All payments of interest and principal outstanding
shall be made in accordance with the terms of the Agreement.

         This Note  evidences  Loans made  pursuant  to, and is entitled to the
benefits  of,  the  Agreement.  Terms not  defined in this Note shall be as set
forth in the Agreement.

         The  Bank is  authorized  to  endorse  the  particulars  of each  Loan
evidenced hereby on the attached Schedule and to attach additional Schedules as
necessary,  provided  that  the  failure  of  the  Bank  to  do  so or to do so
accurately  shall not affect the  obligations  of any Borrower (or the Fund for
whose benefit it is borrowing) hereunder.

         Each Borrower waives all claims to presentment,  demand,  protest, and
notice  of  dishonor.  Each  Borrower  agrees  to pay all  reasonable  costs of
collection,  including  reasonable  attorney's  fees  in  connection  with  the
enforcement of this Note.

         The Bank hereby  agrees (i) that any claim,  liability,  or obligation
arising hereunder or under the Agreement whether on account of the principal of
any Loan,  interest  thereon,  or any other amount due  hereunder or thereunder
shall be satisfied  only from the assets of the specific Fund for whose benefit
a Loan is borrowed and in any event in an amount not to exceed the  outstanding
principal  amount of any Loan borrowed for such Fund's  benefit,  together with
accrued and unpaid interest due and owing thereon, and such Fund's share of any
other amount due hereunder and under the Agreement (as determined in accordance
with the provisions of the Agreement) and (ii) that no assets of any Fund shall
be used to satisfy any claim,  liability,  or obligation  arising  hereunder or
under the Agreement  with respect to the  outstanding  principal  amount of any
Loan  borrowed  for the  benefit  of any other Fund or any  accrued  and unpaid
interest  due and owing  thereon or such other Fund's share of any other amount
due hereunder and under the  Agreement  (as  determined in accordance  with the
provisions of the Agreement).

         Neither the  shareholders,  trustees,  officers,  employees  and other
agents of any Borrower or Fund shall be  personally  bound by or liable for any
indebtedness,  liability  or  obligation  hereunder or under the Note nor shall
resort be had to their private  property for the satisfaction of any obligation
or claim hereunder.

         This Note shall be governed by the laws of the state of Texas.

                                         USAA MUTUAL FUND, INC.,
                                         on behalf of and for the benefit
                                         of its series of Funds as set forth
                                         on Schedule A to the Agreement

                                         By: /S/ MICHAEL J. C ROTH
                                             ---------------------
                                             Michael J.C. Roth
                                             President


                                         USAA INVESTMENT TRUST,
                                         on behalf of and for the benefit
                                         of its series of Funds as set forth
                                         on Schedule A to the Agreement

                                         By: /S/ MICHAEL J. C. ROTH
                                             ----------------------
                                             Michael J.C. Roth
                                             President


                                         USAA TAX EXEMPT FUND, INC.,
                                         on behalf of and for the benefit
                                         of its series of Funds as set forth
                                         on Schedule A to the Agreement

                                         By: /S/ MICHAEL J. C. ROTH
                                             ----------------------
                                             Michael J.C. Roth
                                             President


                                         USAA STATE TAX-FREE TRUST,
                                         on behalf of and for the benefit
                                         of its series of Funds as set forth
                                         on Schedule A to the Agreement

                                         By: /S/ MICHAEL J. C. ROTH
                                             ----------------------
                                             Michael J.C. Roth
                                             President

<PAGE>
                         LOANS AND PAYMENT OF PRINCIPAL

This  schedule  (grid) is  attached to and made a part of the  Promissory  Note
dated January 12, 2000,  executed by USAA MUTUAL FUND,  INC.,  USAA  INVESTMENT
TRUST,  USAA TAX EXEMPT FUND,  INC. AND USAA STATE  TAX-FREE TRUST on behalf of
and for the  benefit  of the  series of funds  comprising  each  such  Borrower
payable to the order of BANK OF AMERICA, N.A.

[GRID]
Date of
Loan

Borrower
and Fund

Amount of
Loan

Type of Rate and
Interest Rate on Date
of Borrowing

Amount of
Principal Repaid

Date of
Repayment

Other
Expenses

Notation
made by

<PAGE>
                                                                      EXHIBIT B

                             BANK OF AMERICA, N.A.
                                MASTER REVOLVING
                           CREDIT FACILITY AGREEMENT
                           BORROWER INFORMATION SHEET

BORROWER:  USAA MUTUAL FUND, INC., USAA INVESTMENT TRUST, USAA TAX EXEMPT FUND,
           INC. AND USAA STATE TAX-FREE TRUST

ADDRESS FOR NOTICES AND OTHER COMMUNICATIONS TO THE BORROWER:

                    9800 Fredericksburg Road
                    San Antonio, Texas  78288 (for Federal Express, 78240)
                    Attention:  Kenneth E. Willmann
                                Senior Vice President,
                                Fixed Income Investments

                    Telephone: (210) 498-7320
                    Telecopy:  (210) 498-4174

                                David G. Peebles
                                Senior Vice President,
                                Equity Investments

                    Telephone: (210) 498-7340
                    Telecopy:  (210) 498-2954

ADDRESS FOR BORROWING AND PAYMENTS:

                    9800 Fredericksburg Road
                    San Antonio, Texas  78288 (for Federal Express, 78240)
                    Attention:  Caryl J. Swann

                    Telephone:  (210) 498-7303
                    Telecopy:   (210) 498-0382 or 498-7819
                    Telex:      767424

INSTRUCTIONS FOR PAYMENTS TO BORROWER:

WE PAY VIA: __X__ FED FUNDS_____ CHIPS

<PAGE>
TO: (PLEASE PLACE BANK NAME, CORESPONDENT NAME (IF APPLICABLE),
     CHIPS AND/OR FED FUNDS ACCOUNT NUMBER BELOW)

STATE STREET BANK AND TRUST COMPANY, BOSTON, MASSACHUSETTS
----------------------------------------------------------

ABA #011-00-0028
----------------

USAA MUTUAL FUND, INC.
======================

USAA AGGRESSIVE GROWTH FUND                  ACCT.# 6938-502-9
--------------------------------------------------------------
USAA GROWTH & INCOME FUND                    ACCT.# 6938-519-3
--------------------------------------------------------------
USAA INCOME STOCK FUND                       ACCT.# 6938-495-6
--------------------------------------------------------------
USAA SHORT-TERM BOND FUND                    ACCT.# 6938-517-7
--------------------------------------------------------------
USAA MONEY MARKET FUND                       ACCT.# 6938-498-0
--------------------------------------------------------------
USAA GROWTH FUND                             ACCT.# 6938-490-7
--------------------------------------------------------------
USAA INCOME FUND                             ACCT.# 6938-494-9
--------------------------------------------------------------
USAA S&P 500 INDEX FUND                      ACCT.# 6938-478-2
--------------------------------------------------------------
USAA SCIENCE & TECHNOLOGY FUND               ACCT.# 6938-515-1
--------------------------------------------------------------
USAA FIRST START GROWTH FUND                 ACCT.# 6938-468-3
--------------------------------------------------------------
USAA HIGH YIELD OPPORTUNITIES FUND           ACCT.# 6938-576-3
--------------------------------------------------------------
USAA INTERMEDIATE-TERM BOND FUND             ACCT.# 6938-577-1
--------------------------------------------------------------
USAA SMALL CAP STOCK FUND                    ACCT.#-6938-578-9
--------------------------------------------------------------

USAA INVESTMENT TRUST
=====================

USAA CORNERSTONE STRATEGY FUND               ACCT.# 6938-487-3
--------------------------------------------------------------
USAA GOLD FUND                               ACCT.# 6938-488-1
--------------------------------------------------------------
USAA INTERNATIONAL FUND                      ACCT.# 6938-497-2
--------------------------------------------------------------
USAA WORLD GROWTH FUND                       ACCT.# 6938-504-5
--------------------------------------------------------------
USAA GNMA TRUST                              ACCT.# 6938-486-5
--------------------------------------------------------------

<PAGE>
USAA TREASURY MONEY MARKET TRUST             ACCT.# 6938-493-1
--------------------------------------------------------------
USAA EMERGING MARKETS FUND                   ACCT.# 6938-501-1
--------------------------------------------------------------
USAA GROWTH AND TAX STRATEGY FUND            ACCT.# 6938-509-4
--------------------------------------------------------------
USAA GROWTH STRATEGY FUND                    ACCT.# 6938-510-2
--------------------------------------------------------------
USAA INCOME STRATEGY FUND                    ACCT.# 6938-508-6
--------------------------------------------------------------
USAA BALANCED STRATEGY FUND                  ACCT.# 6938-507-8
--------------------------------------------------------------

USAA TAX EXEMPT FUND, INC.
==========================

USAA LONG-TERM FUND                          ACCT.# 6938-492-3
--------------------------------------------------------------
USAA INTERMEDIATE-TERM FUND                  ACCT.# 6938-496-4
--------------------------------------------------------------
USAA SHORT-TERM FUND                         ACCT.# 6938-500-3
--------------------------------------------------------------
USAA TAX EXEMPT MONEY MARKET FUND            ACCT.# 6938-514-4
--------------------------------------------------------------
USAA CALIFORNIA BOND FUND                    ACCT.# 6938-489-9
--------------------------------------------------------------
USAA CALIFORNIA MONEY MARKET FUND            ACCT.# 6938-491-5
--------------------------------------------------------------
USAA NEW YORK BOND FUND                      ACCT.# 6938-503-7
--------------------------------------------------------------
USAA NEW YORK MONEY MARKET FUND              ACCT.# 6938-511-0
--------------------------------------------------------------
USAA VIRGINIA BOND FUND                      ACCT.# 6938-512-8
--------------------------------------------------------------
USAA VIRGINIA MONEY MARKET FUND              ACCT.# 6938-513-6
--------------------------------------------------------------

USAA STATE TAX-FREE TRUST
=========================

USAA FLORIDA TAX-FREE INCOME FUND            ACCT.# 6938-473-3
--------------------------------------------------------------
USAA FLORIDA TAX-FREE MONEY MARKET FUND      ACCT.# 6938-467-5
--------------------------------------------------------------
USAA TEXAS TAX-FREE INCOME FUND              ACCT.# 6938-602-7
--------------------------------------------------------------
USAA TEXAS TAX-FREE MONEY MARKET FUND        ACCT.# 6938-601-9
--------------------------------------------------------------

<PAGE>
                                                                      EXHIBIT C

                              ADDRESS FOR THE BANK

                             Bank of America, N.A.
                             901 Main Street
                             66th Floor
                             Dallas, Texas 75202

                             Attention: Joan D'Amico
                             Telephone: (214) 508-3307
                             Telecopy: (214) 508-3742

<PAGE>
                                   EXHIBIT D

                             OFFICER'S CERTIFICATE

The undersigned  hereby certifies that he is the duly elected Secretary of USAA
Mutual Fund, Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and USAA
State Tax-Free  Trust and that he is authorized to execute this  Certificate on
behalf of USAA Mutual Fund, Inc., USAA Investment  Trust, USAA Tax Exempt Fund,
Inc. and USAA State Tax-Free Trust. The undersigned hereby further certifies to
the following:

The following  individuals  are duly authorized to act on behalf of USAA Mutual
Fund,  Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and USAA State
Tax-Free Trust, by transmitting telephonic, telex, or telecopy instructions and
other  communications  with regard to borrowings  and payments  pursuant to the
Master  Revolving  Credit  Facility  Agreement  with Bank of America,  N.A. The
signature set opposite the name of each individual  below is that  individual's
genuine signature.

   NAME                         OFFICE                   SIGNATURE
   ----                         ------                   ---------
Michael J. C. Roth          President                  /S/ MICHAEL J. C. ROTH
                                                       -----------------------
Kenneth E. Willmann         Senior Vice President
                            Fixed Income Investments   /S/ KENNETH E. WILLMANN
                                                       -----------------------
David G. Peebles            Senior Vice President
                            Equity Investments         /S/ DAVID G. PEEBLES
                                                       -----------------------
Clifford A. Gladson         Vice President
                            Mutual Fund Portfolios     /S/ CLIFFORD A. GLADSON
                                                       -----------------------
Sherron A. Kirk             Vice President
                            Senior Financial Officer   /S/ SHERRON A. KIRK
                                                       -----------------------
Caryl J. Swann              Executive Director
                            Mutual Fund Analysis and   /S/ CARYL J. SWANN
                            Support                    -----------------------

<PAGE>
IN WITNESS  WHEREOF,  I have  executed the  Certificate  as of this 12th day of
January, 2000.

                                                       /S/ MICHAEL D. WAGNER
                                                       ----------------------
                                                       MICHAEL D. WAGNER
                                                       Secretary


I, Michael J. C. Roth,  President of USAA Mutual Fund,  Inc.,  USAA  Investment
Trust,  USAA Tax Exempt Fund, Inc. and USAA State Tax-Free Trust hereby certify
that  Michael D. Wagner is, and has been at all times since a date prior to the
date of this Certificate,  the duly elected, qualified, and acting Secretary of
USAA Mutual Fund, Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and
USAA State  Tax-Free  Trust and that the  signature set forth above is his true
and correct signature.

DATE:    January 12, 2000

                                                        /S/ MICHAEL J. C. ROTH
                                                        ----------------------
                                                        MICHAEL J. C. ROTH
                                                        President

<PAGE>
BANK OF AMERICA
LOGO                                                                  EXHIBIT E
                                  SUBORDINATION
Bank of America, N.A.               AGREEMENT
-------------------------------------------------------------------------------
THIS IS AN AGREEMENT AMONG:                          DATED:    January 12, 2000
-------------------------------------------------------------------------------
NAME AND ADDRESS OF LENDER    NAME AND ADDRESS           NAME AND ADDRESS
 (INCLUDING COUNTY):            OF BORROWER:                OF CREDITOR:
Bank of America, N.A.     USAA Mutual Fund, Inc.      USAA Capital Corporation
901 Main Street           USAA Investment Trust       9800 Fredericksburg Road
Dallas, Dallas County,    USAA Tax Exempt Fund, Inc.  San Antonio, Texas  78288
Texas  75202              USAA State Tax-Free Trust
                          9800 Fredericksburg Road
                          San Antonio, Texas  78288
                (LENDER)                    (DEBTOR)                (CREDITOR)
-------------------------------------------------------------------------------

 1. BACKGROUND. Debtor is or may be indebted to Lender pursuant to that certain
    Facility  Agreement Letter dated January 12, 2000 between Debtor and Lender
    ("Senior  Facility  Agreement").  Debtor  also  is or  may be  indebted  to
    Creditor  pursuant to that certain Facility  Agreement Letter dated January
    12, 1999 between Debtor and Creditor  ("Subordinated  Facility Agreement").
    All debt (as hereinafter  defined) under the Senior  Facility  Agreement is
    hereinafter  referred  to as  "senior  debt"  and all debt (as  hereinafter
    defined) under the Subordinated  Facility Agreement is hereinafter referred
    to as "subordinated debt".

 2. DEFINITION OF DEBT.  The term "debt" as used in the terms "senior debt" and
    "subordinated  debt" means all debts,  obligations and liabilities,  now or
    hereafter existing,  direct or indirect,  absolute or contingent,  joint or
    several,  secured or unsecured,  due or not due,  contractual  or tortious,
    liquidated  or  unliquidated,  arising by  operation  of law or  otherwise,
    irrespective  of the person in whose  favor such debt may  originally  have
    been  created and  regardless  of the manner in which such debt has been or
    may  hereafter be acquired by Lender or  Creditor,  as the case may be, and
    includes  all costs  incurred to obtain,  preserve,  perfect or enforce any
    security interest, lien or mortgage, or to collect any debt or to maintain,
    preserve, collect and enforce any collateral, and interest on such amounts.

 3. SUBORDINATION OF DEBT. Until senior debt has been paid in full, Debtor will
    not pay and Creditor  will not accept any payment on  subordinated  debt at
    any time  that an Event of  Default  (as  defined  in the  Senior  Facility
    Agreement)  has  occurred  and is  continuing  in respect  of senior  debt.
    Anything of value received by Creditor on account of  subordinated  debt in
    violation  of  this  agreement  will  be  held by  Creditor  in  trust  and
    immediately  will be  turned  over to  Lender  in the form  received  to be
    applied by Lender on senior debt.

 4. REMEDIES OF CREDITOR.  Until all senior debt has been paid in full, without
    Lender's  permission,  Creditor  will  not  be a  party  to any  action  or
    proceeding  against any person to recover  subordinated  debt. Upon written
    request of Lender,  Creditor  will file any claim or proof of claim or take
    any  other  action  to  collect   subordinated   debt  in  any  bankruptcy,
    receivership, liquidation, reorganization or other proceeding for relief of
    debtors or in connection  with Debtor's  insolvency,  or in  liquidation or
    marshaling of Debtor's assets or liabilities, or in any probate proceeding,
    and if any distribution  shall be made to Creditor,  Creditor will hold the
    same in  trust  for  Lender  and  immediately  pay to  Lender,  in the form
    received to be applied on senior debt,  all money or other assets  received
    in any such  proceedings on account of subordinated  debt until senior debt
    shall  have  been paid in full.  If  Creditor  shall  fail to take any such
    action when  requested by Lender,  Lender may enforce this  agreement or as
    attorney  in fact for  Creditor  and  Debtor  may take any such  action  on
    Creditor's behalf.  Creditor hereby irrevocably  appoints Lender Creditor's
    attorney in fact to take any such action that Lender might request Creditor
    to take hereunder, and to sue for, compromise, collect and receive all such
    money and other assets and take any other action in Lender's own name or in
    Creditor's  name that Lender shall consider  advisable for  enforcement and
    collection  of  subordinated  debt,  and to apply any  amounts  received on
    senior debt.

 5. MODIFICATIONS.  At any  time  and from  time to  time,  without  Creditor's
    consent or notice to Creditor and without liability to Creditor and without
    releasing or impairing any of Lender's  rights  against  Creditor or any of
    Creditor's  obligations  hereunder,  Lender  may take  additional  or other
    security  for senior  debt;  release,  exchange,  subordinated  or lose any
    security  for senior  debt;  release any person  obligated  on senior debt,
    modify,  amend or waive  compliance  with any agreement  relating to senior
    debt;  grant any  adjustment,  indulgence or forbearance  to, or compromise
    with,  any person liable for senior debt;  neglect,  delay,  omit,  fail or
    refuse to take or prosecute any action for collection of any senior debt or
    to foreclose  upon any  collateral  or take or prosecute  any action on any
    agreement securing any senior debt.

 6. SUBORDINATION  OF LIENS.  Creditor  subordinates  and makes inferior to any
    security  interests,  liens or mortgages now or hereafter  securing  senior
    debt all security interests,  liens, or mortgages now or hereafter securing
    subordinated  debt. Any  foreclosure  against any property  securing senior
    debt shall  foreclose,  extinguish  and discharge  all security  interests,
    liens and mortgages  securing  subordinated  debt, and any purchaser at any
    such  foreclosure sale shall take title to the property so sold free of all
    security interest, liens and mortgages securing subordinated debt.

 7. STATEMENT OF SUBORDINATION; ASSIGNMENT BY CREDITOR; ADDITIONAL INSTRUMENTS.
    Debtor  and  Creditor  will cause any  instrument  evidencing  or  securing
    subordinated debt to bear upon its face a statement that such instrument is
    subordinated  to senior debt as set forth  herein and will take all actions
    and execute all documents appropriate to carry out this agreement. Creditor
    will  notify  Lender  not less than 10 days  before any  assignment  of any
    subordinated debt.

 8. ASSIGNMENT BY LENDER.  Lender's rights under this agreement may be assigned
    in connection with any assignment or transfer of any senior debt.

 9. VENUE.  Debtor and Creditor agree that this agreement is performable in the
    county of Lender's address set out above.

10. CUMULATIVE  RIGHTS;  WAIVERS.  This  instrument  is cumulative of all other
    rights  and  securities  of the  Lender.  No  waiver by Lender of any right
    hereunder, with respect to a particular payment, shall affect or impair its
    rights in any matters thereafter occurring.

11. SUCCESSORS AND ASSIGNS.  This instrument is binding upon and shall inure to
    the benefit of the heirs, executors, administrators, successors and assigns
    of each of the parties  hereto,  but  Creditor  covenants  that it will not
    assign  subordinated  debt, or any part thereof,  without making the rights
    and interests of the assignee  subject in all respects to the terms of this
    instrument.

12. TERMINATION.  This agreement  shall  terminate upon the  termination of the
    Senior Facility Agreement and repayment in full of the senior debt.

(LENDER)                (DEBTOR)                       (CREDITOR)
Bank of America, N.A.   USAA Mutual Fund, Inc.         USAA Capital Corporation
                        USAA Investment Trust
                        USAA Tax Exempt Fund, Inc.
                        USAA State Tax-Free Trust

By                      By                             By
  -----------------      ---------------------          --------------------
  Its                    Its                             Its
<PAGE>

                                  EXHIBIT 8(f)
<PAGE>

January 11, 2000

USAA Mutual Fund, Inc.,
USAA Investment Trust,
USAA Tax Exempt Fund, Inc., and
USAA State Tax-Free Trust, on behalf of and for the
benefit of the series
of funds comprising each such Borrower
as set forth on Schedule A hereto
9800 Fredericksburg Road
San Antonio, Texas 78288

Attention: Michael J.C. Roth, President

Gentlemen:

This  Facility  Agreement  Letter (this  "Agreement")  sets forth the terms and
conditions  for loans (each a "Loan" and  collectively  the "Loans") which USAA
Capital  Corporation  ("CAPCO")  may from time to time make  during  the period
commencing January 11, 2000 and ending January 10, 2001 (the "Facility Period")
to USAA Mutual Fund, Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc.,
and USAA State Tax-Free Trust,  and each investment  company which may become a
party hereto  pursuant to the terms of this  Agreement  (each a "Borrower"  and
collectively  the  "Borrowers"),  each of which is executing  this Agreement on
behalf  of and for the  benefit  of the  series of funds  comprising  each such
Borrower as set forth on Schedule A hereto (as hereafter modified or amended in
accordance with the terms hereof) (each a "Fund" and collectively the "Funds"),
under a master  revolving  credit  facility (the  "Facility").  USAA Investment
Management  Company is the Manager and  Investment  Advisor of each Fund.  This
Agreement replaces in its entirety that certain facility Agreement Letter dated
January 12, 1999,  between Borrowers and CAPCO.  CAPCO and the Borrowers hereby
agree as follows:

         1. AMOUNT.  The aggregate  principal  amount of the Loans which may be
advanced under this Facility shall not exceed, at any one time outstanding, Two
Hundred Fifty Million Dollars ($250,000,000). The aggregate principal amount of
the Loans which may be borrowed by a Borrower  for the benefit of a  particular
Fund under this Facility shall not exceed the borrowing  limit (the  "Borrowing
Limit")  on  borrowings  applicable  to such Fund,  as set forth on  Schedule A
hereto.

         2. PURPOSE AND  LIMITATIONS ON BORROWINGS.  Each Borrower will use the
proceeds of each Loan made to it solely for temporary or emergency  purposes of
the Fund for whose  benefit it is  borrowing  in  accordance  with such  Fund's
Borrowing Limit (Schedule A) and

<PAGE>
prospectus in effect at the time of such Loan.  Portfolio securities may not be
purchased by a Fund while there is a Loan outstanding under the Facility or any
other  facility,  if the aggregate  amount of such Loan and any other such loan
exceeds 5% of the total assets of such Fund.

         3. BORROWING  RATE AND MATURITY OF LOANS.  CAPCO shall make Loans to a
Borrower and the principal  amount of the Loans  outstanding  from time to time
shall  bear  interest  at a rate per  annum  equal  to the rate at which  CAPCO
obtains  funding  in the  capital  markets.  Interest  on the  Loans  shall  be
calculated  on the basis of a year of 360 days and the actual days  elapsed but
shall not exceed the highest lawful rate.  Each loan will be for an established
number  of  days   agreed   upon  by  the   applicable   Borrower   and  CAPCO.
Notwithstanding the above, all Loans to a Borrower shall be made available at a
rate per annum equal to the rate at which CAPCO would make loans to  affiliates
and  subsidiaries.  Further,  if the  CAPCO  rate  exceeds  the rate at which a
Borrower  could obtain funds  pursuant to the Bank of America,  N.A.  ("Bank of
America") 364-day committed  $100,000,000 Master Revolving Credit Facility, the
Borrower will in the absence of predominating  circumstances,  borrow from Bank
of America.  Any past due principal and/or accrued interest shall bear interest
at a rate per annum equal to the  aggregate  of the  Federal  Funds Rate plus 1
percent (100 basis points) and shall be payable on demand.

         4.  ADVANCES,   PAYMENTS,   PREPAYMENTS  AND  READVANCES.   Upon  each
Borrower's request,  and subject to the terms and conditions  contained herein,
CAPCO shall make Loans to each Borrower on behalf of and for the benefit of its
respective  Fund(s) during the Facility  Period,  and each Borrower may borrow,
repay and  reborrow  funds  hereunder.  The Loans shall be  evidenced by a duly
executed and delivered  Master Grid  Promissory  Note in the form of EXHIBIT A.
Each Loan shall be in an  aggregate  amount not less than One Hundred  Thousand
United States  Dollars (U.S.  $100,000) and  increments of One Thousand  United
States  Dollars  (U.S.  $1,000) in excess  thereof.  Payment of  principal  and
interest due with respect to each Loan shall be payable at the maturity of such
Loan and shall be made in funds immediately  available to CAPCO prior to 2 p.m.
San Antonio  time on the day such  payment is due, or as CAPCO shall  otherwise
direct from time to time and, subject to the terms and conditions  hereof,  may
be repaid with the proceeds of a new borrowing  hereunder.  Notwithstanding any
provision of this  Agreement  to the  contrary,  all Loans,  accrued but unpaid
interest  and other  amounts  payable  hereunder  shall be due and payable upon
termination of the Facility (whether by acceleration or otherwise).

         5. FACILITY FEE.  Beginning  with the date of this Agreement and until
such time as all Loans have been irrevocably repaid to CAPCO in full, and CAPCO
is no longer  obligated  to make Loans,  the Funds (to be  allocated  among the
Funds as the Borrowers deem  appropriate)  may pay to CAPCO a facility fee (the
"Facility  Fee") in the amount up to .08 of one percent (8 basis points) of the
amount of the  Commitment,  as it may be  reduced  pursuant  to  section 6. The
Facility Fee shall be payable  quarterly in arrears  beginning  March 31, 2000,
and upon termination of the Facility (whether by acceleration or otherwise).

         6.  OPTIONAL  TERMINATION  OR REDUCTION OF  COMMITMENT.  The Borrowers
shall have the right upon at least three (3) business days prior written notice
to CAPCO, to terminate or reduce the unused portion of the Commitment. Any such
reduction  of the  commitment  shall be in the  amount of Five  Million  United
States Dollars (U.S. $5,000,000) or any larger integral

                                       2
<PAGE>
multiple of One Million  United States Dollars (U.S.  $1,000,000)  (except that
any reduction may be in the aggregate amount of the unused Commitment). Accrued
fees with respect to the terminated Commitment shall be payable to CAPCO on the
effective date of such termination.

         7.  MANDATORY  TERMINATION  OF  THE  FACILITY.  The  Facility,  unless
extended by written amendment, shall automatically terminate on the last day of
the  Facility  Period and any Loans then  outstanding  (together  with  accrued
interest  thereon  and any  other  amounts  owing  hereunder)  shall be due and
payable on such date.

         8.  COMMITTED  FACILITY.  CAPCO  acknowledges  that the  Facility is a
committed facility and that CAPCO shall be obligated to make any Loan requested
during  the  Facility  Period  under this  Agreement,  subject to the terms and
conditions hereof; provided, however, that CAPCO shall not be obligated to make
any Loan if this Facility has been  terminated by the  Borrowers,  or if at the
time of a  request  for a Loan  by a  Borrower  (on  behalf  of the  applicable
Fund(s)) there exists any Event of Default or condition which, with the passage
of time or giving of notice,  or both,  would  constitute or become an Event of
Default with respect to such Borrower (or such applicable Fund(s)).

         9. LOAN REQUESTS.  Each request for a Loan (each a "Borrowing Notice")
shall be in writing by the applicable Borrower(s), except that such Borrower(s)
may make an oral  request  (each an "Oral  Request")  provided  that  each Oral
Request  shall be followed by a written  Borrowing  Notice  within one business
day. Each Borrowing  Notice shall specify the following  terms ("Terms") of the
requested  Loan:  (i) the date on which such Loan is to be disbursed,  (ii) the
principal amount of such Loan,  (iii) the Borrower(s)  which are borrowing such
Loan and the  amount of such Loan to be  borrowed  by each  Borrower,  (iv) the
Funds for whose  benefit the loan is being  borrowed and the amount of the Loan
which is for the benefit of each such Fund, and (v) the requested maturity date
of the Loan.  Each  Borrowing  Notice  shall also set forth the total assets of
each Fund for whose  benefit a portion of the Loan is being  borrowed as of the
close of business on the day  immediately  preceding the date of such Borrowing
Notice.  Borrowing notices shall be delivered to CAPCO by 9:00 a.m. San Antonio
time on the day the Loan is requested to be made.

Each  Borrowing  Notice  shall  constitute  a  representation  to  CAPCO by the
applicable  Borrower(s)  that  all of the  representations  and  warranties  in
Section  12 hereof  are true and  correct  as of such date and that no Event of
Default or other  condition which with the passage of time or giving of notice,
or both, would result in an Event of Default, has occurred or is occurring.

         10. CONFIRMATIONS; CREDITING OF FUNDS; RELIANCE BY CAPCO. Upon receipt
by CAPCO of a Borrowing Notice:

                  (a) CAPCO shall  provide  each  applicable  Borrower  written
confirmation  of the Terms of such Loan via  facsimile or telecopy,  as soon as
reasonably practicable;  provided, however, that the failure to do so shall not
affect the obligation of any such Borrower;

                                       3
<PAGE>
                  (b) CAPCO shall make such Loan in  accordance  with the Terms
by transfer of the Loan amount in immediately  available  funds, to the account
of the applicable Borrower(s) as specified in EXHIBIT B to this Agreement or as
such  Borrower(s)  shall  otherwise  specify to CAPCO in a writing signed by an
Authorized Individual (as defined in Section 11) of such Borrower(s); and

                  (c) CAPCO shall make  appropriate  entries on the Note or the
records of CAPCO to reflect the Terms of the Loan; provided,  however, that the
failure to do so shall not affect the obligation of any Borrower.

CAPCO  shall be entitled  to rely upon and act  hereunder  pursuant to any Oral
Request  which it  reasonably  believes  to have  been  made by the  applicable
Borrower through an Authorized  Individual.  If any Borrower  believes that the
confirmation  relating to any Loan contains any error or  discrepancy  from the
applicable Oral Request, such Borrower will promptly notify CAPCO thereof.

         11.  BORROWING  RESOLUTIONS AND OFFICERS'  CERTIFICATES.  Prior to the
making  of any Loan  pursuant  to this  Agreement,  the  Borrowers  shall  have
delivered  to  CAPCO  (a) the  duly  executed  Note,  (b)  Resolutions  of each
Borrower's Trustees or Board of Directors authorizing such Borrower to execute,
deliver and perform  this  Agreement  and the Note on behalf of the  applicable
Funds,  (c) an Officer's  Certificate  in  substantially  the form set forth in
EXHIBIT  D to this  Agreement,  authorizing  certain  individuals  ("Authorized
Individuals"),  to take on behalf of each Borrower (on behalf of the applicable
Funds) actions contemplated by this Agreement and the Note, and (d) the Opinion
of Counsel to USAA Investment  Management  Company,  Manager and Advisor to the
Borrowers, with respect to such matters as CAPCO may reasonably request .

         12. REPRESENTATIONS AND WARRANTIES.  In order to induce CAPCO to enter
into this Agreement and to make the Loans provided for hereunder, each Borrower
hereby  makes with  respect to itself,  and as may be  relevant,  the series of
Funds comprising such Borrower,  the following  representations and warranties,
which shall survive the execution and delivery hereof and of the Note:

                  (a)   ORGANIZATION,   STANDING,   ETC.   The  Borrower  is  a
corporation or trust duly  organized,  validly  existing,  and in good standing
under applicable state laws and has all requisite  corporate or trust power and
authority to carry on its  respective  businesses as now conducted and proposed
to be conducted,  to enter into this  Agreement  and all other  documents to be
executed by it in connection  with the  transactions  contemplated  hereby,  to
issue and borrow under the Note and to carry out the terms hereof and thereof;

                  (b) FINANCIAL INFORMATION;  DISCLOSURE, ETC. The Borrower has
furnished CAPCO with certain financial statements of such Borrower with respect
to itself and the applicable Funds, all of which such financial statements have
been prepared in  accordance  with  generally  accepted  accounting  principles
applied on a consistent  basis and fairly  present the  financial  position and
results of operations of such  Borrower and the  applicable  Funds on the

                                       4
<PAGE>
dates and for the periods  indicated.  Neither this Agreement nor any financial
statements,  reports or other documents or  certificates  furnished to CAPCO by
such  Borrower or the  applicable  Funds in  connection  with the  transactions
contemplated  hereby contain any untrue statement of a material fact or omit to
state any material fact  necessary to make the statements  contained  herein or
therein in light of the circumstances when made not misleading;

                  (c)  AUTHORIZATION;  COMPLIANCE WITH OTHER  INSTRUMENTS.  The
execution,  delivery  and  performance  of this  Agreement  and the  Note,  and
borrowings  hereunder,  have been duly authorized by all necessary corporate or
trust action of the  Borrower and will not result in any  violation of or be in
conflict with or constitute a default under any term of the charter, by-laws or
trust  agreement of such Borrower or the applicable  Funds, or of any borrowing
restrictions  or  prospectus  or statement of  additional  information  of such
Borrower or the applicable  Funds, or of any agreement,  instrument,  judgment,
decree,  order,  statute,  rule or governmental  regulation  applicable to such
Borrower,  or  result  in  the  creation  of  any  mortgage,  lien,  charge  or
encumbrance  upon any of the  properties  or  assets  of such  Borrower  or the
applicable  Funds  pursuant to any such term.  The Borrower and the  applicable
Funds are not in violation of any term of their respective charter,  by-laws or
trust  agreement,  and  such  Borrower  and  the  applicable  Funds  are not in
violation of any material term of any agreement or instrument to which they are
a party, or to the best of such Borrower's knowledge, of any judgment,  decree,
order, statute, rule or governmental regulation applicable to them;

                  (d) SEC COMPLIANCE. The Borrower and the applicable Funds are
in compliance in all material respects with all federal and state securities or
similar laws and  regulations,  including all material  rules,  regulations and
administrative orders of the Securities and Exchange Commission (the "SEC") and
applicable Blue Sky  authorities.  The Borrower and the applicable Funds are in
compliance  in  all  material  respects  with  all  of  the  provisions  of the
Investment  Company Act of 1940,  and such  Borrower has filed all reports with
the SEC that are required of it or the applicable Funds;

                  (e)  LITIGATION.  There  is no  action,  suit  or  proceeding
pending or, to the best of the Borrower's  knowledge,  threatened  against such
Borrower  or the  applicable  Funds in any court or before  any  arbitrator  or
governmental body which seeks to restrain any of the transactions  contemplated
by this  Agreement  or which,  if adversely  determined,  could have a material
adverse  effect on the assets or business  operations  of such  Borrower or the
applicable  Funds or the ability of such Borrower and the  applicable  Funds to
pay and perform their obligations hereunder and under the Notes;

                  (f) BORROWERS' RELATIONSHIP TO FUNDS. The assets of each Fund
for whose benefit Loans are borrowed by the applicable  Borrower are subject to
and  liable  for such  Loans  and are  available  (except  as  subordinated  to
borrowings  under the Bank of America  committed  facility)  to the  applicable
Borrower for the repayment of such Loans; and

                  (g) YEAR 2000  PREPAREDNESS.  Each Borrower has (i) initiated
a review  and  assessment  of  all  areas within  its  business  and operations
(including  those affected by suppliers,  vendors  and customers) that could be
adversely affected by the "Year 2000 Problem" (that is, the

                                       5
<PAGE>
risk  that  computer  applications  used  by such  Borrower  may be  unable  to
recognize and perform properly date-sensitive functions involving certain dates
prior to and any date after  December  31,  1999),  (ii)  developed  a plan and
timeline for addressing  the Year 2000 Problem on a timely basis,  and (iii) to
date,  implemented  that plan in accordance with that  timetable.  Based on the
foregoing,  such Borrower  reasonably  believes that all computer  applications
that are material to its business and operations  are reasonably  expected on a
timely basis to be able to perform  properly  date-sensitive  functions for all
dates  before and after  January  1, 2000 (that is, be "Year 2000  compliant"),
except to the extent that a failure to do so could not  reasonably  be expected
to have a material adverse effect on the assets or business  operations of such
Borrower  or the  applicable  Funds or the  ability  of such  Borrower  and the
applicable Funds to pay and perform their  obligations  hereunder and under the
Note.

         13.  AFFIRMATIVE  COVENANTS OF THE  BORROWERS.  Until such time as all
amounts of principal  and  interest due to CAPCO by a Borrower  pursuant to any
Loan made to such Borrower is irrevocably  paid in full, and until the Facility
is terminated, such Borrower (for itself and on behalf of its respective Funds)
agrees:

                  (a) To deliver to CAPCO as soon as possible  and in any event
within  ninety (90) days after the end of each fiscal year of such Borrower and
the  applicable  Funds,  Statements  of Assets and  Liabilities,  Statements of
Operations and Statements of Changes in Net Assets of each  applicable Fund for
such fiscal  year,  as set forth in each  applicable  Fund's  Annual  Report to
shareholders  together  with a  calculation  of the maximum  amount  which each
applicable  Fund could borrow under its  Borrowing  Limit as of the end of such
fiscal year;

                  (b) To deliver to CAPCO as soon as available and in any event
within  seventy-five  (75) days after the end of each semiannual period of such
Borrower  and the  applicable  Funds,  Statements  of Assets  and  Liabilities,
Statement  of  Operations  and  Statements  of  Changes  in Net  Assets of each
applicable Fund as of the end of such semiannual  period,  as set forth in each
applicable Funds Semiannual Report to shareholders, together with a calculation
of the  maximum  amount  which  each  applicable  Fund could  borrow  under its
Borrowing Limit at the end of such semiannual period;

                  (c) To deliver to CAPCO prompt  notice of the  occurrence  of
any event or condition which  constitutes,  or is likely to result in, a change
in such Borrower or any applicable  Fund which could  reasonably be expected to
materially  adversely  affect the  ability of any  applicable  Fund to promptly
repay outstanding Loans made for its benefit or the ability of such Borrower to
perform its obligations under this Agreement or the Note;

                  (d) To do,  or cause  to be done,  all  things  necessary  to
preserve and keep in full force and effect the corporate or trust  existence of
such Borrower and all permits,  rights and privileges necessary for the conduct
of its  businesses  and to comply in all material  respects with all applicable
laws,  regulations  and orders,  including  without  limitation,  all rules and
regulations promulgated by the SEC;
                                       6

90650
<PAGE>
                  (e) To promptly  notify CAPCO of any  litigation,  threatened
legal  proceeding or  investigation  by a  governmental  authority  which could
materially  affect the  ability of such  Borrower  or the  applicable  Funds to
promptly repay the  outstanding  Loans or otherwise  perform their  obligations
hereunder;

                  (f) In the event a Loan for the benefit of a  particular Fund
is not repaid in full within 10 days after the date it is  borrowed, and  until
such Loan is repaid in full,  to deliver to CAPCO,  within  two  business  days
after each Friday occurring after such 10th day, a statement  setting forth the
total assets of such Fund as of the close of business on each such Friday; and

                  (g) Upon the request of CAPCO which may be made by CAPCO from
time to time in the event  CAPCO in good faith  believes  that there has been a
material adverse change in the capital markets generally,  to deliver to CAPCO,
within two business  days after such  request,  a statement  setting  forth the
total assets of each Fund for whose benefit a Loan is  outstanding  on the date
of such request.

         14.  NEGATIVE  COVENANTS  OF THE  BORROWERS.  Until  such  time as all
amounts of principal  and  interest due to CAPCO by a Borrower  pursuant to any
Loan made to such Borrower is irrevocably  paid in full, and until the Facility
is terminated, such Borrower (for itself and on behalf of its respective Funds)
agrees:

                  (a) Not to incur any  indebtedness  for borrowed money (other
than pursuant to the One Hundred Million Dollar ($100,000,000) committed Master
Revolving Credit Facility with Bank of America, the Five Hundred Million Dollar
($500,000,000)  uncommitted Master Revolving Credit Facility with CAPCO and for
overdrafts  incurred  at the  custodian  of the Funds  from time to time in the
normal course of business) except the Loans,  without the prior written consent
of CAPCO, which consent will not be unreasonably withheld; and

                  (b) Not to dissolve or terminate its  existence,  or merge or
consolidate with any other person or entity,  or sell all or substantially  all
of its assets in a single transaction or series of related  transactions (other
than assets consisting of margin stock), each without the prior written consent
of CAPCO,  which  consent will not be  unreasonably  withheld;  provided that a
Borrower  may  without  such  consent  merge,  consolidate  with,  or  purchase
substantially all of the assets of, or sell substantially all of its assets to,
an affiliated  investment  company or series  thereof,  as provided for in Rule
17a-8 of the Investment Company Act of 1940.

         15. EVENTS OF DEFAULT.  If any of the following events (each an "Event
of  Default")  shall occur (it being  understood  that an Event of Default with
respect to one Fund or Borrower  shall not  constitute an Event of Default with
respect to any other Fund or Borrower):

                  (a) Any  Borrower  or Fund shall  default  in the  payment of
principal or interest on any Loan or any other fee due  hereunder  for a period
of five (5) days after the same becomes due and payable, whether at maturity or
with respect to any Facility Fee at a date fixed for the

                                       7
90650
<PAGE>
 payment thereof;

                  (b) Any Borrower or Fund shall default in the  performance of
or  compliance  with any term  contained  in Section 13 hereof and such default
shall not have been  remedied  within  thirty  (30) days after  written  notice
thereof shall have been given such Borrower or Fund by CAPCO;

                  (c) Any Borrower or Fund shall default  in the performance of
or compliance  with any term contained in Section 14 hereof;

                  (d) Any Borrower or Fund shall default in the  performance or
compliance with any other term contained herein and such default shall not have
been remedied  within thirty (30) days after written  notice thereof shall have
been given such Borrower or Fund by CAPCO;

                  (e) Any representation or warranty made by a Borrower or Fund
herein or pursuant  hereto  shall prove to have been false or  incorrect in any
material respect when made;

                  (f) An event of default shall occur and be  continuing  under
any other  facility;  then, in any event,  and at any time  thereafter,  if any
Event of  Default  shall be  continuing,  CAPCO  may by  written  notice to the
applicable  Borrower or Fund (i)  terminate  the Facility  with respect to such
Borrower or Fund and (ii) declare the  principal and interest in respect of any
outstanding  Loans with respect to such Borrower or Fund, and all other amounts
due hereunder with respect to such Borrower or Fund, to be immediately  due and
payable  whereupon the principal and interest in respect  thereof and all other
amounts  due  hereunder   shall  become   forthwith  due  and  payable  without
presentment,  demand,  protest  or other  notice of any kind,  all of which are
expressly waived by the Borrowers.

         16.  NEW  BORROWERS;  NEW  FUNDS.  So long as no Event of  Default  or
condition  which,  with the  passage of time or the giving of notice,  or both,
would  constitute or become an Event of Default has occurred and is continuing,
and with the prior  consent of CAPCO,  which  consent will not be  unreasonably
withheld:

                  (a) Any  investment  company  that  becomes  part of the same
"group of  investment  companies"  (as that term is defined in Rule 11a-3 under
the  Investment  Company  Act  of  1940)  as the  original  Borrowers  to  this
Agreement,  may,  by  submitting  an amended  Schedule A and  Exhibit B to this
Agreement to CAPCO (which  amended  Schedule A and Exhibit B shall  replace the
corresponding  Schedule and Exhibit which are,  then a part of this  Agreement)
and such other  documents as CAPCO may  reasonably  request,  become a party to
this Agreement and may become a "Borrower" hereunder; and

                  (b) A Borrower may, by  submitting an amended  Schedule A and
Exhibit B to this  Agreement to CAPCO (which  amended  Schedule A and Exhibit B
shall replace the  corresponding  Schedule and Exhibit which are then a part of
this  Agreement),  add  additional  Funds for whose  benefit such  Borrower may
borrow Loans. No such amendment of Schedule A

                                       8
<PAGE>
to this  Agreement  shall  amend the  Borrowing  Limit  applicable  to any Fund
without the prior approval of CAPCO.

         17. LIMITED RECOURSE.  CAPCO agrees (i) that any claim,  liability, or
obligation  arising  hereunder  or under the Note  whether  on  account  of the
principal of any Loan,  interest thereon,  or any other amount due hereunder or
thereunder  shall be satisfied  only from the assets of the  specific  Fund for
whose  benefit a Loan is  borrowed  and in any event in an amount not to exceed
the outstanding  principal amount of any Loan borrowed for such Fund's benefit,
together  with  accrued and unpaid  interest  due and owing  thereon,  and such
Fund's  share  of any  other  amount  due  hereunder  and  under  the  Note (as
determined in accordance with the provisions hereof) and (ii) that no assets of
any fund shall be used to satisfy any claim,  liability,  or obligation arising
hereunder or under the Note with respect to the outstanding principal amount of
any Loan  borrowed  for the benefit of any other Fund or any accrued and unpaid
interest  due and owing  thereon or such other Fund's share of any other amount
due  hereunder  and  under  the  Note (as  determined  in  accordance  with the
provisions hereof).

         18.  REMEDIES  ON  DEFAULT.  In case any one or more Events of Default
shall  occur and be  continuing,  CAPCO may  proceed to protect and enforce its
rights by an action at law,  suit in equity or other  appropriate  proceedings,
against the applicable  Borrower(s) and/or Fund(s),  as the case may be. In the
case of a default in the payment of any principal or interest on any Loan or in
the payment of any fee due  hereunder,  the  relevant  Fund(s) (to be allocated
among such Funds as the  Borrowers  deem  appropriate)  shall pay to CAPCO such
further  amount  as  shall be  sufficient  to cover  the  cost and  expense  of
collection,  including,  without  limitation,  reasonable  attorney's  fees and
expenses.

         19. NO WAIVER OF REMEDIES. No course of dealing or failure or delay on
the part of CAPCO in exercising any right or remedy hereunder or under the Note
shall  constitute a waiver of any right or remedy  hereunder or under the Note,
nor shall any partial  exercise of any right or remedy  hereunder  or under the
Note preclude any further  exercise  thereof or the exercise of any other right
or remedy  hereunder  or under the Note.  Such  rights and  remedies  expressly
provided are cumulative and not exclusive of any rights or remedies which CAPCO
would otherwise have.

         20.  EXPENSES.  The  Fund(s) (to be  allocated  among the Funds as the
Borrowers deem  appropriate)  shall pay on demand all reasonable  out-of-pocket
costs and expenses (including reasonable attorney's fees and expenses) incurred
by  CAPCO  in  connection  with  the  collection  and  any  other   enforcement
proceedings of or regarding this Agreement, any Loan or the Note.

         21. BENEFIT OF AGREEMENT. This Agreement and the Note shall be binding
upon  and  inure  for  the  benefit  of and be  enforceable  by the  respective
successors  and assigns of the parties  hereto;  provided that no party to this
Agreement  or the Note may  assign any of its rights  hereunder  or  thereunder
without the prior written consent of the other parties.

         22.  NOTICES.  All notices  hereunder  and all  written,  facsimile or
telecopied

                                       9
<PAGE>
confirmations of Oral Requests made hereunder shall be sent to the Borrowers as
indicated on EXHIBIT B and to CAPCO as indicated on EXHIBIT C.

         23.  MODIFICATIONS.  No provision of this Agreement or the Note may be
waived,  modified  or  discharged  except by mutual  written  agreement  of all
parties. THIS WRITTEN LOAN AGREEMENT AND THE NOTE REPRESENT THE FINAL AGREEMENT
BETWEEN  THE  PARTIES  AND  MAY  NOT BE  CONTRADICTED  BY  EVIDENCE  OF  PRIOR,
CONTEMPORANEOUS  OR SUBSEQUENT  ORAL  AGREEMENTS  OF THE PARTIES.  THERE ARE NO
UNWRITTEN AGREEMENTS BETWEEN THE PARTIES.

         24. GOVERNING LAW AND  JURISDICTION.  This Agreement shall be governed
by and  construed  in  accordance  with the laws of the state of Texas  without
regard to the choice of law provisions thereof.

         25. TRUST DISCLAIMER.  Neither the shareholders,  trustees,  officers,
employees and other agents of any Borrower or Fund shall be personally bound by
or liable for any indebtedness,  liability or obligation hereunder or under the
Note nor shall resort be had to their private  property for the satisfaction of
any obligation or claim hereunder.

If this letter  correctly  reflects your agreement with us, please execute both
copies hereof and return one to us,  whereupon this Agreement  shall be binding
upon the Borrowers, the Funds and CAPCO.

Sincerely,

USAA CAPITAL CORPORATION

By:  /S/ EDWIN T. MCQUISTON
     ------------------------
     Edwin T. McQuiston
     Vice President-Treasurer

AGREED AND ACCEPTED this 11th
Day of January, 2000.

USAA MUTUAL FUND, INC.,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By:  /S/ MICHAEL J.C. ROTH
     -----------------------
     Michael J.C. Roth
     President

                                      10
90650
<PAGE>
USAA INVESTMENT  TRUST,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By:  /S/ MICHAEL J.C. ROTH
     ----------------------
     Michael J.C. Roth
     President

USAA TAX EXEMPT FUND,  INC.,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By:  /S/ MICHAEL J.C. ROTH
     ---------------------
     Michael J.C. Roth
     President

USAA STATE  TAX-FREE  TRUST,
on behalf of and for the benefit
of its series of Funds as set forth
on Schedule A to this Agreement

By:  /S/ MICHAEL J.C. ROTH
     ---------------------
     Michael J.C. Roth
     President
                                    11
90650
<PAGE>
                                   SCHEDULE A
                                   ----------
                       FUNDS FOR WHOSE BENEFIT LOANS CAN
                      BE BORROWED UNDER FACILITY AGREEMENT

BORROWER                            FUNDS                  BORROWING LIMIT
--------                            -----                  ---------------
                                                          (Maximum percent of
                                                           total assets which
                                                           can be borrowed
                                                           under Facility and
                                                           the uncommitted
                                                           facility with CAPCO)
USAA Mutual Fund, Inc.      USAA Aggressive Growth         5% of Total Assets
                            USAA Growth & Income                        "
                            USAA Income Stock                           "
                            USAA Short-Term Bond                        "
                            USAA Money Market                           "
                            USAA Growth                                 "
                            USAA Income                                 "
                            USAA S&P 500 Index                          "
                            USAA Science & Technology                   "
                            USAA First Start Growth                     "
                            USAA High Yield Opportunities               "
                            USAA Intermediate-Term Bond                 "
                            USAA Small Cap Stock                        "

USAA Investment Trust       USAA Cornerstone Strategy                   "
                            USAA Gold                                   "
                            USAA International                          "
                            USAA World Growth                           "
                            USAA GNMA Trust                             "
                            USAA Treasury Money Market Trust            "
                            USAA Emerging Markets                       "
                            USAA Growth and Tax Strategy                "
                            USAA Balanced Strategy                      "
                            USAA Growth Strategy                        "
                            USAA Income Strategy                        "

USAA Tax Exempt Fund, Inc.  USAA Long-Term                              "
                            USAA Intermediate-Term                      "
                            USAA Short-Term                             "
                            USAA Tax Exempt Money Market                "
                            USAA California Bond                        "
                            USAA California Money Market                "
                            USAA New York Bond                          "
                            USAA New York Money Market                  "
                            USAA Virginia Bond                          "
                            USAA Virginia Money Market                  "

<PAGE>
USAA State Tax-Free Trust   USAA Florida Tax-Free Income                "
                            USAA Florida Tax-Free Money Market          "
                            USAA Texas Tax-Free Income                  "
                            USAA Texas Tax-Free Money Market            "

<PAGE>
                          MASTER GRID PROMISSORY NOTE

U.S. $250,000,000                                       Dated: January 11, 2000


         FOR VALUE  RECEIVED,  each of the  undersigned  (each a "Borrower" and
collectively the "Borrowers"),  severally and not jointly, on behalf of and for
the benefit of the series of funds  comprising  each such Borrower as listed on
Schedule A to the  Agreement as defined  below (each a "Fund" and  collectively
the "Funds") promises to pay to the order of USAA Capital Corporation ("CAPCO")
at CAPCO's  office  located at 9800  Fredericksburg  Road,  San Antonio,  Texas
78288,  in  lawful  money of the  United  States  of  America,  in  immediately
available  funds,  the  principal  amount  of all  Loans  made by CAPCO to such
Borrower for the benefit of the applicable  Funds under the Facility  Agreement
Letter dated January 11, 2000 (as amended or modified, the "Agreement"),  among
the  Borrowers and CAPCO,  together with interest  thereon at the rate or rates
set forth in the Agreement.  All payments of interest and principal outstanding
shall be made in accordance with the terms of the Agreement.

         This Note  evidences  Loans made  pursuant  to, and is entitled to the
benefits  of,  the  Agreement.  Terms not  defined in this Note shall be as set
forth in the Agreement.

         CAPCO is authorized to endorse the  particulars of each Loan evidenced
hereby  on  the  attached  Schedule  and  to  attach  additional  Schedules  as
necessary,  provided  that the failure of CAPCO to do so or to do so accurately
shall not affect the obligations of any Borrower (or the Fund for whose benefit
it is borrowing) hereunder.

         Each Borrower waives all claims to presentment,  demand,  protest, and
notice  of  dishonor.  Each  Borrower  agrees  to pay all  reasonable  costs of
collection,  including  reasonable  attorney's  fees  in  connection  with  the
enforcement of this Note.

         CAPCO  hereby  agrees (i) that any  claim,  liability,  or  obligation
arising hereunder or under the Agreement whether on account of the principal of
any Loan,  interest  thereon,  or any other amount due  hereunder or thereunder
shall be satisfied  only from the assets of the specific Fund for whose benefit
a Loan is borrowed and in any event in an amount not to exceed the  outstanding
principal  amount of any Loan borrowed for such Fund's  benefit,  together with
accrued and unpaid interest due and owing thereon, and such Fund's share of any
other amount due hereunder and under the Agreement (as determined in accordance
with the provisions of the Agreement) and (ii) that no assets of any Fund shall
be used to satisfy any claim,  liability,  or obligation  arising  hereunder or
under the Agreement  with respect to the  outstanding  principal  amount of any
Loan  borrowed  for the  benefit  of any other Fund or any  accrued  and unpaid

<PAGE>
interest  due and owing  thereon or such other Fund's share of any other amount
due hereunder and under the  Agreement  (as  determined in accordance  with the
provisions of the Agreement).

         Neither the  shareholders,  trustees,  officers,  employees  and other
agents of any Borrower or Fund shall be  personally  bound by or liable for any
indebtedness,  liability  or  obligation  hereunder or under the Note nor shall
resort be had to their private  property for the satisfaction of any obligation
or claim hereunder.

         Loans under the Agreement and this Note are subordinated to loans made
under the  $100,000,000  364-day  committed  Mater  Revolving  Credit  Facility
Agreement  between the Borrowers and Bank of America,  N.A.  (Bank of America),
dated  January  12,  2000,  in the  manner  and to the  extent set forth in the
Agreement  among the  Borrowers,  CAPCO and Bank of America,  dated January 12,
2000.

         This Note shall be governed by the laws of the state of Texas.

                                           USAA MUTUAL FUND, INC.,
                                           on behalf of and for the benefit
                                           of its series of Funds as set forth
                                           on Schedule A to the Agreement

                                           By:  /S/ MICHAEL J.C. ROTH
                                                ---------------------
                                                Michael J.C. Roth
                                                President

                                           USAA INVESTMENT TRUST,
                                           on behalf of and for the benefit
                                           of its series of Funds as set forth
                                           on Schedule A to the Agreement

                                           By:  /S/ MICHAEL J.C. ROTH
                                                ---------------------
                                                Michael J.C. Roth
                                                President

<PAGE>
                                           USAA TAX EXEMPT FUND, INC.,
                                           on behalf of and for the benefit
                                           of its series of Funds as set forth
                                           on Schedule A to the Agreement

                                           By:  /S/ MICHAEL J.C. ROTH
                                                ---------------------
                                                Michael J.C. Roth
                                                President

                                           USAA STATE TAX-FREE TRUST,
                                           on behalf of and for the benefit
                                           of its series of Funds as set forth
                                           on Schedule A to the Agreement

                                           By:  /S/ MICHAEL J.C. ROTH
                                                ---------------------
                                                Michael J.C. Roth
                                                President

<PAGE>
                         LOANS AND PAYMENT OF PRINCIPAL

This  schedule  (grid) is  attached to and made a part of the  Promissory  Note
dated January 11, 2000,  executed by USAA MUTUAL FUND,  INC.,  USAA  INVESTMENT
TRUST,  USAA TAX EXEMPT FUND,  INC. AND USAA STATE  TAX-FREE TRUST on behalf of
and for the  benefit  of the  series of funds  comprising  each  such  Borrower
payable to the order of USAA CAPITAL CORPORATION.

[GRID]
Date of Loan

Borrower
and Fund

Amount of
Loan

Type of Rate and
Interest Rate on Date
of Borrowing

Amount of
Principal Repaid

Date of
Repayment

Other
Expenses

Notation made
by

<PAGE>
                                                                      EXHIBIT B

                            USAA CAPITAL CORPORATION
                                MASTER REVOLVING

                           CREDIT FACILITY AGREEMENT
                           BORROWER INFORMATION SHEET

BORROWER:   USAA MUTUAL FUND,INC., USAA INVESTMENT TRUST, USAA TAX EXEMPT FUND,
            INC. AND USAA STATE TAX-FREE TRUST

ADDRESS FOR NOTICES AND OTHER COMMUNICATIONS TO THE BORROWER:

                  9800 Fredericksburg Road
                  San Antonio, Texas 78288 (For Federal Express, 78240)
                  Attention:   Kenneth E. Willmann
                               Senior Vice President,
                               Fixed Income Investments

                  Telephone:  (210) 498-7320
                  Telecopy:   (210) 498-4174

                               David G. Peebles
                               Senior Vice President,
                               Equity Investments

                  Telephone:  (210) 498-7340
                  Telecopy:   (210) 498-2954

ADDRESS FOR BORROWING AND PAYMENTS:

                  9800 Fredericksburg Road
                  San Antonio, Texas 78288
                  Attention:   Caryl J. Swann

                  Telephone:   (210) 498-7303
                  Telecopy:    (210) 498-0382 or 498-7819
                  Telex:       767424

INSTRUCTIONS FOR PAYMENTS TO BORROWER:

WE PAY VIA: __X__FED FUNDS_____CHIPS

<PAGE>
TO: (PLEASE PLACE BANK NAME, CORRESPONDENT NAME (IF APPLICABLE), CHIPS AND/OR
FED FUNDS ACCOUNT NUMBER BELOW)

STATE STREET BANK AND TRUST COMPANY, BOSTON, MASSACHUSETTS
----------------------------------------------------------

ABA #011-00-0028
----------------

USAA MUTUAL FUND, INC.
======================

USAA AGGRESSIVE GROWTH FUND                 ACCT.# 6938-502-9
-------------------------------------------------------------
USAA GROWTH & INCOME FUND                   ACCT.# 6938-519-3
-------------------------------------------------------------
USAA INCOME STOCK FUND                      ACCT.# 6938-495-6
-------------------------------------------------------------
USAA SHORT-TERM BOND FUND                   ACCT.# 6938-517-7
-------------------------------------------------------------
USAA MONEY MARKET FUND                      ACCT.# 6938-498-0
-------------------------------------------------------------
USAA GROWTH FUND                            ACCT.# 6938-490-7
-------------------------------------------------------------
USAA INCOME FUND                            ACCT.# 6938-494-9
-------------------------------------------------------------
USAA S&P 500 INDEX FUND                     ACCT.# 6938-478-2
-------------------------------------------------------------
USAA SCIENCE & TECHNOLOGY FUND              ACCT.# 6938-515-1
-------------------------------------------------------------
USAA FIRST START GROWTH FUND                ACCT.# 6938-468-3
-------------------------------------------------------------
USAA HIGH YIELD OPPORTUNITIES FUND          ACCT.# 6938-576-3
-------------------------------------------------------------
USAA INTERMEDIATE-TERM BOND FUND            ACCT.# 6938-577-1
-------------------------------------------------------------
USAA SMALL CAP STOCK FUND                   ACCT.# 6938-578-9
-------------------------------------------------------------

USAA INVESTMENT TRUST
=====================

USAA CORNERSTONE STRATEGY FUND              ACCT.# 6938-487-3
-------------------------------------------------------------
USAA GOLD FUND                              ACCT.# 6938-488-1
-------------------------------------------------------------
USAA INTERNATIONAL FUND                     ACCT.# 6938-497-2
-------------------------------------------------------------
USAA WORLD GROWTH FUND                      ACCT.# 6938-504-5
-------------------------------------------------------------

<PAGE>
USAA GNMA TRUST                             ACCT.# 6938-486-5
-------------------------------------------------------------
USAA TREASURY MONEY MARKET TRUST            ACCT.# 6938-493-1
-------------------------------------------------------------
USAA EMERGING MARKETS FUND                  ACCT.# 6938-501-1
-------------------------------------------------------------
USAA GROWTH AND TAX STRATEGY FUND           ACCT.# 6938-509-4
-------------------------------------------------------------
USAA BALANCED STRATEGY FUND                 ACCT.# 6938-507-8
-------------------------------------------------------------
USAA GROWTH STRATEGY FUND                   ACCT.# 6938-510-2
-------------------------------------------------------------
USAA INCOME STRATEGY FUND                   ACCT.# 6938-508-6
-------------------------------------------------------------

USAA TAX EXEMPT FUND, INC.
==========================

USAA LONG-TERM FUND                         ACCT.# 6938-492-3
-------------------------------------------------------------
USAA INTERMEDIATE-TERM FUND                 ACCT.# 6938-496-4
-------------------------------------------------------------
USAA SHORT-TERM FUND                        ACCT.# 6938-500-3
-------------------------------------------------------------
USAA TAX EXEMPT MONEY MARKET FUND           ACCT.# 6938-514-4
-------------------------------------------------------------
USAA CALIFORNIA BOND FUND                   ACCT.# 6938-489-9
-------------------------------------------------------------
USAA CALIFORNIA MONEY MARKET FUND           ACCT.# 6938-491-5
-------------------------------------------------------------
USAA NEW YORK BOND FUND                     ACCT.# 6938-503-7
-------------------------------------------------------------
USAA NEW YORK MONEY MARKET FUND             ACCT.# 6938-511-0
-------------------------------------------------------------
USAA VIRGINIA BOND FUND                     ACCT.# 6938-512-8
-------------------------------------------------------------
USAA VIRGINIA MONEY MARKET FUND             ACCT.# 6938-513-6
-------------------------------------------------------------

USAA STATE TAX-FREE TRUST
=========================

USAA FLORIDA TAX-FREE INCOME FUND           ACCT.# 6938-473-3
-------------------------------------------------------------
USAA FLORIDA TAX-FREE MONEY MARKET FUND     ACCT.# 6938-467-5
-------------------------------------------------------------
USAA TEXAS TAX-FREE INCOME FUND             ACCT.# 6938-602-7
-------------------------------------------------------------
USAA TEXAS TAX-FREE MONEY MARKET FUND       ACCT.# 6938-601-9

<PAGE>
                                   EXHIBIT C

                      ADDRESS FOR USAA CAPITAL CORPORATION

                            USAA Capital Corporation
                            9800 Fredericksburg Road
                            San Antonio, Texas 78288

                            Attention: Edwin T. McQuiston
                            Telephone No.: (210) 498-2296
                            Telecopy No.:  (210) 498-6566

90650
<PAGE>
                                   EXHIBIT D
                             OFFICER'S CERTIFICATE

The undersigned  hereby certifies that he is the duly elected Secretary of USAA
Mutual Fund, Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and USAA
State Tax-Free  Trust and that he is authorized to execute this  Certificate on
behalf of USAA Mutual Fund, Inc., USAA Investment  Trust, USAA Tax Exempt Fund,
Inc. and USAA State Tax-Free Trust. The undersigned hereby further certifies to
the following:

The following  individuals  are duly authorized to act on behalf of USAA Mutual
Fund,  Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. and USAA State
Tax-Free Trust, by transmitting telephonic, telex, or telecopy instructions and
other  communications  with regard to borrowing  and  payments  pursuant to the
committed Master Revolving Credit Agreement with USAA Capital Corporation.  The
signature set opposite the name of each individual  below is that  individual's
genuine signature.

NAME                       OFFICE                             SIGNATURE

Michael J.C. Roth          President                  /S/ MICHAEL J. C. ROTH
                                                      -----------------------
Kenneth E. Willmann        Senior Vice President,
                           Fixed Income Investments   /S/ KENNETH E. WILLMANN
                                                      -----------------------
David G. Peebles           Senior Vice President,
                           Equity Investments         /S/ DAVID G. PEEBLES
                                                      -----------------------
Clifford A. Gladson        Vice President,
                           Mutual Fund Portfolios     /S/ CLIFFORD A. GLADSON
                                                      -----------------------
Sherron A. Kirk            Vice President,
                           Senior Financial Officer   /S/ SHERRON A. KIRK
                                                      -----------------------
Caryl J. Swann             Executive Director,
                           Mutual Fund Analysis
                           and Support                /S/CARYL J. SWANN
                                                      -----------------------

IN WITNESS  WHEREOF,  I have executed this  Certificate  as of this 11th day of
January, 2000.

                                                      /S/ MICHAEL D. WAGNER
                                                      ---------------------
                                                      MICHAEL D. WAGNER
                                                      Secretary

<PAGE>
I, Michael J.C.  Roth,  President of USAA Mutual Fund,  Inc.,  USAA  Investment
Trust,  USAA Tax Exempt Fund, Inc. And USAA State Tax-Free Trust hereby certify
that  Michael D. Wagner is, and has been at all times since a date prior to the
date of this Certificate,  the duly elected, qualified, and acting Secretary of
USAA Mutual Fund, Inc., USAA Investment  Trust,  USAA Tax Exempt Fund, Inc. And
USAA State  Tax-Free  Trust and that the  signature set forth above is his true
and correct signature.

DATE: January 11, 2000                                /S/ MICHAEL J. C. ROTH
                                                      ------------------------
                                                      MICHAEL J. C. ROTH
                                                      President




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