PARNASSUS INCOME FUND
N-30D, 1998-02-17
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THE PARNASSUS INCOME FUND
ANNUAL REPORT
DECEMBER 31, 1997

                                                               February 10, 1998

Dear Shareholder:

     Here is your 1997 annual report for The Parnassus Income Fund. There's good
news inside since all three  Portfolios  beat their  respective  benchmarks.  As
portfolio  manager for the Balanced and Fixed-Income  Portfolios,  I wrote those
reports. As manager of the California Tax-Exempt  Portfolio,  David Pogran wrote
that report.
     By now,  all of you who were  shareholders  as of  January  5  should  have
received the mailing about the Shareholders'  Meeting on March 26. There will be
a reception at 6:00 p.m. at the Sheraton Palace Hotel in San Francisco  followed
by the  meeting at 7:00 p.m.  If you live in the San  Francisco  Bay Area or are
visiting here, I hope you will be able to attend. Since we will need to know how
many people to prepare for, we are asking you to RSVP by calling (800)  999-3505
if you plan to attend.
     There  will  be a  discussion  period  after  the  meeting  which  I  think
shareholders will find  interesting.  I will answer questions on the Fund and on
any other  subject  you may wish to raise.  Regardless  of  whether  you plan to
attend  in person or not,  I would  like to ask you to vote and sign your  proxy
card and send it in as soon as  possible.  The Fund can save  money by  avoiding
follow-up costs if you promptly send in your proxy card.
     One of the  important  items on the meeting  agenda is a proposal to change
the  investment  objective  of  the  Balanced  Portfolio.  This  proposal  would
eliminate the requirement to have 25% of assets in fixed-income  securities.  We
think this would help  shareholders  because stocks have a better rate of return
than bonds over the long-term.  If this proposal is approved,  the name would be
changed from the Balanced  Portfolio to the Equity Income Fund. (The name of The
Parnassus  Income Fund would be changed to The  Parnassus  Income Trust and each
Portfolio  would be  called a  "Fund."  This  would be  shorter  and  easier  to
understand since each portfolio is actually a "mutual fund.")
     For those who still  wanted a balanced  portfolio,  they could  invest some
money  in the  new  Equity  Income  Fund  and  some  money  in the  Fixed-Income
Portfolio.   The  Trustees  have  approved  the  change  and  recommended   that
shareholders vote for this proposal.


Balanced Portfolio
     As of  December  31,  1997,  the net asset  value  per  share  (NAV) of the
Balanced  Portfolio was $20.68.  Taking into account  dividends  paid, the total
return for the year was 20.15% compared to 19.00% for the average  balanced fund
according to Lipper Analytical Services.
     Below you will find a graph and table comparing the Balanced Portfolio with
the S&P 500, the Lehman  Government/Corporate Bond Index and the Lipper Balanced
Fund average.  You will notice that the Balanced Portfolio  continues to perform
above the Lipper average for balanced funds on a long-term basis.
     The graph also  contains  the dollar  amount an  investor  would have after
investing $10,000 at the inception of the Portfolio.  Below the graph is a table
showing  average annual total returns for one,  three and five-year  periods and
since inception.
<TABLE>
<CAPTION>

     ---------------------------------------------------------------------------------------------------------------------
                                             Balanced         S&P 500         Lipper Balanced           Lehman Government/
     Average Annual Total Returns           Portfolio          Index            Fund Average          Corporate Bond Index
     ---------------------------------------------------------------------------------------------------------------------
     <S>                                       <C>             <C>                 <C>                        <C>  
     One Year                                  20.15%          33.36%              19.00%                     9.76%
     Three Years                               19.05%          31.15%              19.50%                    10.43%
     Five Years                                13.10%          20.27%              12.68%                     7.61%
     Since Inception 9/1/92                    13.97%          20.23%              12.96%                     7.12%

</TABLE>

     -----------------------------------------------------------------
     Value on December 31, 1997
     -----------------------------------------------------------------
     S&P 500 Index                                            $26,718
     Balanced Portfolio                                       $20,093
     Lipper Balanced Fund Average                             $19,155
     Lehman Government/Corporate Bond Index                   $14,434
     ----------------------------------------------------------------

[GRAPH APPEARS HERE]

<TABLE>
<CAPTION>
                        Equity       S&P 500     Lipper     Lehman
                        Income Fund  Index       Balanced   Government
                                                 Fund       Corporate
                                                 Average    Bond Index
              <S>         <C>        <C>         <C>        <C>      
                 9/1/92   10,000.00  10,000.00   10,000.00  10,000.00                                                   
               12/31/92   10,858.00  10,625.80   10,544.43  10,002.00                                                   
                          11,968.77  11,089.55   10,954.15  10,468.09                                                   
                          12,314.67  11,142.60   11,124.58  10,782.76                                                   
                          12,714.90  11,429.56   11,516.82  11,140.21
               12/31/93   12,586.48  11,694.84   11,650.01  11,108.15
                          11,880.38  11,252.00   11,271.38  10,758.77
                          11,413.48  11,299.27   11,141.76  10,625.77
                          11,887.14  11,851.10   11,479.36  10,678.90
               12/31/94   11,908.53  11,848.59   11,351.93  10,718.23
                          12,743.32  13,000.97   12,042.13  11,252.34
                          13,808.66  14,240.42   12,899.53  11,981.87
                          14,598.52  15,371.35   13,612.88  12,211.21
               12/31/95   15,616.04  16,296.12   14,188.70  12,780.31
                          15,472.37  17,170.54   14,543.42  12,481.20
                          16,074.24  17,940.18   14,891.01  12,539.82
                          16,231.77  18,494.84   15,296.04  12,761.68
               12/31/96   16,723.59  20,035.10   16,108.26  13,151.69
                          16,457.69  20,573.39   16,108.26  13,037.48
                          17,668.97  24,162.50   17,749.69  13,512.04
                          18,737.95  25,972.84   18,937.15  13,984.97
               12/31/97   20,092.70  26,718.41   19,154.93  14,433.88
</TABLE>


     I must  say  that I was  surprised  that the  Balanced  Portfolio  beat the
average balanced fund this year. As you may recall,  we trailed the average most
of the year and  sometimes  by a wide  margin.  What  happened was that we had a
burst of growth in the last quarter that pushed us ahead of the average balanced
fund by a little over 1%.  Falling  interest rates and rising prices for utility
stocks were the underlying causes.
     As veteran shareholders know, bond prices go up when interest rates go down
and vice-versa. The interest rate on the 30-year government bond is now close to
an all-time low (around  5.81% as this is being written in late January) so this
helped the  fixed-income  portion of the Portfolio  increase in value during the
last quarter.
     The other force at work was the utility sector.  Even though utility stocks
are equities,  they behave like bonds. When interest rates drop,  utility stocks
go up and when interest rates rise,  utility stocks go down. The reason for this
is that utilities pay out most of their income in the form of dividends and this
makes them income  vehicles  that tend to behave like bonds.  Having quite a few
utility stocks in the Portfolio helped our fourth quarter performance.
     Earlier in the year,  we lagged most  balanced  funds because our Portfolio
has a higher  concentration of income  securities like bonds and utility stocks.
Most other  balanced  funds don't have the same income  emphasis we do and since
stocks  were doing  better than  bonds,  the other funds were  leaving us in the
dust.  It was like the race  between the  tortoise and the hare and you remember
who won that contest.
     Despite our success this year with the Balanced Portfolio, the Trustees are
recommending a change of investment  objective.  Although the Balanced Portfolio
has a good  long-term  track record (we're up about a full percent per year over
the Lipper balanced  average since the Portfolio's  inception),  we think we can
provide better returns for our shareholders by changing our emphasis.
     If shareholders approve the proposal at the Shareholders' meeting, we would
still be an  income-oriented  fund,  but we would pay more  attention to capital
appreciation  than we have in the past.  There would no longer be a  requirement
for at least 25% fixed-income  securities in the Portfolio so we could eliminate
all the bonds. Most of the stocks we would invest in, though,  would still pay a
dividend so it would still be an income fund.  The name of the  Portfolio  would
change to the Equity Income Fund.  Since stocks tend to outperform  bonds,  this
would be in the long-run interest of shareholders.
     I also  think our  timing  is right in this  regard.For  bonds and  utility
stocks to go up a lot more, interest rates would have to continue falling. Given
how low  long-term  interest  rates are now, I don't  think they can go too much
lower.



<PAGE>


INDIVIDUAL ISSUES
     Turning to individual  issues,  we find that the top performer for the year
was a utility,  IPALCO Enterprises,  that went up 51.5%, climbing from $27.73 to
$42.00.  It is a  well-managed  company  that is in good  shape  for the  coming
deregulation of the electric power industry.
     Sun Oil  gained  45.7%  from the first of the year  (when it was at $24.38)
until we sold it (at $35.53) during the second half of the year. Better refining
margins and improved cost control helped the stock increase in value.
     ONEOK, a natural gas transmission,  distribution and marketing company went
from  $30.00  to  $40.31  a share  for a gain of  34.4%.  The  company  formed a
strategic  alliance  with Western  Resources  in 1997 which  nearly  doubled the
number of customers it serves.
     CILCORP,  an  electric  utility in central  Illinois,  went up 33.6% as the
stock climbed from $36.63 to $48.94.  The company is a low-cost  power  producer
and, like IPALCO, is well-positioned for deregulation.
     The share  price of UGI went up 31.6%,  going from  $22.38 to  $29.44.  The
company,  which  markets  propane and natural gas,  posted its highest  earnings
since 1988 because of favorable pricing and cost control.
     Energen,  a holding  company with a natural gas utility and an  exploration
and  development  unit,  gain-ed  31.4% as its stock went from $30.25 to $39.75.
Exploration and production earnings doubled in 1997.
     Washington  Water Power,  an electric and gas utility,  went from $18.63 to
$24.44  for a gain  of  31.2%.  The  company  has a  large  supply  of  low-cost
hydroelectric power and has very efficient operations.
     For a report on the fixed-income portion of the Balanced Portfolio, see the
next  section on the  Fixed-Income  Portfolio.  The bond portion of the Balanced
Portfolio is managed in the same way as the Fixed-Income Portfolio.




<PAGE>


Fixed-Income Portfolio
     As of  December  31,  1997,  the net asset  value  per  share  (NAV) of the
Fixed-Income Portfolio was $16.04. Taking into account dividends paid during the
year,  the total return for 1997 was 10.60%.  This compares to a return of 9.76%
for the Lehman Government/Corporate Bond Index and 9.17% for the average A-rated
bond fund  followed by Lipper  Analytical  Services.  We beat the  averages by a
substantial  margin and we also placed  11th out of the 137  A-rated  bond funds
followed by Lipper.*
     As you can see from the graph below, we have also outperformed the averages
on a longer-term  basis as well. The graph and table compare the  performance of
the Fixed-Income  Portfolio with that of the Lehman  Government/  Corporate Bond
Index and the Lipper A-rated Bond Fund Average.

<TABLE>
<CAPTION>
     ---------------------------------------------------------------------------------------------------
                                                                 Lehman
                                          Fixed-Income       Government/Corporate        Lipper A-Rated
     Average Annual Total Returns          Portfolio            Bond Index             Bond Fund Average
     ---------------------------------------------------------------------------------------------------
    <S>                                     <C>                   <C>                       <C>  
     One Year                               10.60%                9.76%                     9.17%
     Three Years                            11.86%               10.43%                     9.79%
     Five Years                              7.61%                7.61%                     7.00%
     Since Inception 9/1/92                  7.69%                7.12%                     6.78%
     ---------------------------------------------------------------------------------------------------
<FN>
* For the five-year period ending December 31, 1997, the Fixed-Income  Portfolio
  ranked  16th out of 59 funds and since  inception  on  September  1, 1992,  it
  ranked 11th out of 54 funds.
</FN>
</TABLE>
     ---------------------------------------------------------------
     Value on December 31, 1997
     ---------------------------------------------------------------
     Fixed-Income Portfolio                                  $14,847
     Lehman Government/Corporate Bond Index                  $14,434
     Lipper A-Rated Bond Fund Average                        $14,190
     ---------------------------------------------------------------

[GRAPH APPEARS HERE]
<TABLE>
<CAPTION>

                          Fixed      Lehman      Lipper
                          Income    Government/  A-Rated
                          Fund      Corporate    Bond Fund
                                    Bond Index   Average
                        -----------------------------------
               <S>        <C>        <C>         <C>             
                 9/1/92   10,000.00  10,000.00   10,000.00
               12/31/92   10,286.60  10,002.00   10,118.99
                          10,804.84  10,468.09   10,601.98
                          11,046.33  10,782.76   10,913.19
                          11,463.77  11,140.21   11,286.10
               12/31/93   11,375.73  11,108.15   11,243.22
                          11,013.98  10,758.77   10,866.57
                          10,526.06  10,625.77   10,674.23
                          10,553.43  10,678.90   10,700.92
               12/31/94   10,608.30  10,718.23   10,723.39
                          11,336.03  11,252.34   11,230.61
                          12,187.37  11,981.87   11,920.17
                          12,445.74  12,211.21   12,140.69
               12/31/95   12,897.52  12,780.31   12,690.66
                          12,674.40  12,481.20   12,373.40
                          12,787.20  12,539.82   12,400.62
                          12,972.61  12,761.68   12,613.91
               12/31/96   13,424.06  13,151.69   13,006.20
                          13,271.02  13,037.48   12,894.35
                          13,841.68  13,512.04   13,353.39
                          14,403.65  13,984.97   13,815.41
               12/31/97   14,847.28  14,433.88   14,189.81
</TABLE>

ANALYSIS
     Not only did the Portfolio beat the average  A-rated bond fund, but we also
beat the Lehman  Government/Corporate  Bond Index which is a standard measure of
return for bonds.  However,  the Lehman index  doesn't  include  expenses that a
mutual fund must pay. In our case, the expense ratio of 0.82% is relatively high
for a bond fund  because  our  assets  are less  than $10  million.  (As  assets
increase,  the expense  ratio should come down,  so tell your friends  about the
Fixed-Income Portfolio.) We beat the Lehman index even with a handicap of 0.82%.
     If you look at the graph,  you can see that we beat the  averages  in every
year except 1994.  That year,  interest  rates shot up sharply and the Portfolio
had a lot of  mortgage-backed  bonds.  When interest  rates go up,  fixed-income
securities  with longer  maturities  go down more than  securities  with shorter
terms.  (In general,  the value of bonds go up when  interest  rates drop and go
down when interest rates rise.) What happened in 1994 was that the expected term
of our  mortgage-backed  bonds  increased  because  fewer  people  pay off their
mortgages when interest rates increase.
     After  our  terrible   experience   in  1994,   we  stopped   investing  in
mortgage-backed  bonds  because  of  their  uncertainty.  We  also  reduced  our
long-term  bond  holdings  (15-30  years) and  invested  in bonds  with  10-year
maturities. As you can see from the graph, this strategy has worked well for us.
     Another thing that helped us was timing.  Interest  rates moved up and down
during the year.  Each time interest  rates shot up, we bought more bonds to get
the higher yield. Each time interest rates dropped, we sold bonds to capture the
capital gain.  This helped our return and enabled us to beat the  averages.  The
Portfolio also  benefited  from interest  rates that dropped  sharply during the
second half of the year. The drop in interest  rates  increased the value of our
bonds and contributed substantially to our total return.
     As this is being written in late January,  the yield on the 30-year bond is
at a historic  low.  The 30-year  government  bond yield is now 5.81% and it was
around  5.70% a week ago.  These are the lowest  levels in 20 years.  Absence of
inflation has caused interest rates to plunge.
     However, not all interest rates have declined equally. Short-term rates are
high  compared  to  long-term  rates.  While the capital  markets set  long-term
interest rates, short-term interest rates are set by Chairman Alan Greenspan and
the Federal Reserve Board.  They have kept  short-term  rates  relatively  high.
While  the  30-year  bond  yield is  5.81%,  the  10-year  rate is 5.53% and the
three-month  Treasury bill rate is 5.01%. So there's only a half of a percentage
point difference  between the 10-year rate and the 3-month rate and there's less
than a third of a  percentage  point  difference  between  the  10-year  and the
30-year rates.
     What this means to me is that there's no reason to buy  longer-term  bonds.
We can get almost as much yield by investing in 3-month  securities.  While it's
true that we will be giving up some yield,  more  important  is the fact that if
interest  rates rise,  we will be  protected  from falling bond values since our
maturities will be short.
     Right  now,  over  half  the  Portfolio  is  invested  in  securities  with
maturities  of less than one year.  If  interest  rates fall or stay low,  we'll
continue to sell off more of our 10-year bonds.  Should  interest rates rise, we
would buy more 10-year bonds to get the higher yield.

                                                              Yours truly,

                                                              Jerome L. Dodson
                                                              President





<PAGE>


California Tax-Exempt Portfolio

                                                                February 5, 1998

Dear Shareholder:

     As of  December  31,  1997,  the net asset  value  (NAV) of the  California
Tax-Exempt Portfolio was $16.72. Including dividend reinvestment, the 1997 total
return for the Portfolio was 9.33%.  For the same period,  the Lehman  Municipal
Bond Index posted a 9.19% return and the average California  municipal bond fund
gained 9.15%.
<TABLE>
<CAPTION>
     ---------------------------------------------------------------------------------------------------------------
                                         California Tax-Exempt     Lehman Municipal      Lipper California Municipal
     Average Annual Total Returns            Portfolio               Bond Index               Bond Fund Average
     ---------------------------------------------------------------------------------------------------------------
     <S>                                       <C>                      <C>                        <C>  
     One Year                                  9.33%                    9.19%                      9.15%
     Three Years                              10.76%                   10.24%                     10.21%
     Five Years                                7.53%                    7.36%                      7.01%
     Since Inception 9/1/92                    7.39%                    7.38%                      6.98%
     ---------------------------------------------------------------------------------------------------------------
<FN>
* For the five-year  period ending December 31, 1997, the California  Tax-Exempt
  Portfolio  ranked 39th out of 103 funds and since  inception  on  September 1,
  1992, it ranked 11th out of 48 funds.
</FN>
</TABLE>

     --------------------------------------------------------------
     Value on December 31, 1997
     --------------------------------------------------------------
     California Tax-Exempt Portfolio                        $14,623
     Lehman Municipal Bond Index                            $14,617
     Lipper California Municipal Bond Fund Average          $14,221
     --------------------------------------------------------------

[GRAPH APPEARS HERE]

<TABLE>
<CAPTION>
                        California   Lehman      Lipper
                        Tax-Exempt   Municipal   California
                        Fund         Bond Index  Municipal
                                                 Bond Fund
                                                 Average
                        -----------------------------------
               <S>        <C>        <C>         <C>                                           
                 9/1/92   10,000.00  10,000.00   10,000.00                                     
               12/31/92   10,170.00  10,248.24   10,233.92                                     
                          10,602.23  10,628.54   10,654.78                                     
                          10,931.95  10,976.30   11,013.17                                     
                          11,369.23  11,347.07   11,406.03                                     
               12/31/93   11,495.43  11,506.35   11,514.06                                     
                          10,841.34  10,874.73   10,841.64                                     
                          10,904.22  10,995.10   10,873.08                                     
                          10,964.19  11,070.34   10,925.27                                     
               12/31/94   10,764.65  10,911.36   10,646.68                                     
                          11,626.89  11,682.85   11,469.66                                     
                          11,848.97  11,964.99   11,672.68                                     
                          12,167.70  12,309.12   11,952.82                                     
               12/31/95   12,766.36  12,816.77   12,577.95                                     
                          12,597.84  12,662.18   12,302.50                                     
                          12,696.10  12,759.26   12,399.69                                     
                          13,023.66  13,053.01   12,718.36                                     
               12/31/96   13,376.60  13,385.62   13,035.05                                     
                          13,349.85  13,354.56   12,943.80                                     
                          13,805.08  13,813.96   13,400.72                                     
                          14,208.19  14,231.14   13,838.92                                     
               12/31/97   14,623.07  14,616.81   14,220.87
                                     
</TABLE>

     As you can see from the graph and table above,  the Portfolio  outperformed
the average  California  municipal  bond fund. For the five years ended December
31, 1997,  our  performance  ranked 11th of 51 California  municipal  bond funds
followed by Lipper  Analytical  Services.** The Portfolio also  outperformed the
Lehman Municipal Bond Index for every measurement period although the difference
appears small for the life of the Portfolio. When comparing a managed fund to an
index,  remember  that an index has no expenses  while the Portfolio  does.  For
example, expenses reduced our performance by 0.67% in 1997. Even with an expense
handicap, we managed to beat the index.
     For December  1997,  our 30-day yield was 4.25%.  For the twelve  months of
1997,  our average  30-day  yield was 4.55%.  A single  individual  with taxable
income  between  $25,484  and  $32,207  would  have to get a yield of 6.87% on a
taxable  investment  to equal the  Portfolio's  1997 average  30-day yield after
taxes. We did not sacrifice credit quality to achieve these  attractive  yields.
Our portfolio's average credit rating is AA. At our website,  www.parnassus.com,
we have a new interactive calculator you can use to calculate taxable equivalent
yield based upon your income and filing status.



<PAGE>


ANALYSIS
     Low  inflation  and a surge in the bond  market  resulting  from the  Asian
financial  crisis  contributed to excellent  returns for  California  Tax-Exempt
Portfolio investors.  In December, the annual change in the Consumer Price Index
(CPI) fell to 1.7%,  its lowest reading in 11 years.  In the third quarter,  the
Gross Domestic Product  Implicit Price Deflator,  a broader measure of inflation
than the CPI, came in at 1.4%, the lowest report in 33 years.
     The Asian financial  crisis had two effects on the bond market.  First, The
U.S.  dollar and  economy  are very  strong and  stable  compared  to many Asian
markets,  so investors sold their Asian investments and many of them bought U.S.
bonds, particularly Treasuries.  These purchases drove up U.S. bond prices which
decreased  yields.  The second  effect is on inflation  prospects.  Cash-starved
Asian  companies  will  aggressively  reduce  prices  on their  exports  to earn
revenues. Lower prices for imported goods will help keep inflation low in 1998.
     California's  continuing  economic  rebound helped  California's  municipal
bonds  outperform the nationwide  municipal  market in 1998. A stronger  economy
improves  California's  credit  quality.  Moody's and S&P credit rating agencies
still rate California A1 and A+,  respectively.  However,  the market now prices
California State bonds as if the State is a AA credit.  If history is any guide,
the credit  rating  agencies  will soon follow the market's lead and upgrade the
State's credit rating.
     Even  though   municipal   bonds   posted  good   returns  in  1997,   they
underperformed  the taxable  bond market.  Treasury  bonds  benefited  most from
"flight to safety" investors fleeing Asian markets. Municipal bonds were dragged
along with the  Treasuries  and other  taxable  bonds as they  rallied,  but the
municipal market did not see direct  investments  from investors  seeking a safe
haven.  Since  foreigners  don't  pay U.S.  taxes,  they get no  advantage  from
investing in tax-exempt  municipal  bonds.  As a result,  municipal  price gains
lagged Treasury and taxable bond gains.
     Municipals now look like a bargain  compared to taxable  bonds.  Right now,
municipal yields are up to 84% of Treasury yields.  When non-taxable bond yields
are that  close  to  taxable  bond  yields,  it is  usually  a good  time to buy
municipals  since municipal  taxable  equivalent  yields become more attractive.
With  municipal  yields  relatively  high, a relative drop in their yields would
mean an increase in market  value.  (The market value of bonds go up when yields
fall.)

OUTLOOK & STRATEGY
     When we started  this  Portfolio  a little over five years ago, my analysis
led me to believe  municipal  bonds  with a  maturity  around 15 years were most
attractive.  There simply was little  reward in  additional  yield for extending
maturities longer than that. Today, there still isn't enough additional yield to
justify  buying  longer bonds.  So, I will  continue to focus my bond  purchases
around the 15 year maturity mark. Low inflation and the relative  undervaluation
of municipals make me optimistic for another good year in 1998.



<PAGE>


NEW HOLDINGS
     In 1994,  your  Portfolio  invested in a Los  Angeles  County Park and Open
Space offering.  After the success of the 1994 projects, the County went back to
the voters to approve a small  increase in the assessment for more park and open
space projects.  Voters approved the original  assessment with a 63.9% majority.
The additional  assessment  received even stronger  support with 65.1% voting in
favor.
     The Portfolio purchased $315,000 of the new L.A. County Park and Open Space
offering in November.  Although the typical  homeowner's  assessment  of $19 per
year is small,  the money  raised is  substantial.  Altogether,  $340 million of
projects will be funded by the recent bond offering. These projects include open
space and wildlife habitat  acquisition,  as well as development and enhancement
of parks and recreational facilities.  Although there are hundreds of individual
projects, some of the larger ones include:
     o $8 million for Santa  Monica Bay  restoration  and clean-up 
     o $20 million for Exposition Park  acquisition and development 
     o $18 million for Griffith Observatory improvements

    I am very  pleased  that the  Portfolio  has been  able to help  fund  such
beneficial public projects as these as well as achieve above average returns for
our shareholders. Thank you for investing with us.

                                                              Yours truly,

                                                              David Pogran
                                                              Portfolio Manager




<PAGE>


Independent Auditors' Report

To the Shareholders and Board of Trustees of The Parnassus Income Fund:

     We have audited the  accompanying  statements of assets and  liabilities of
the  portfolios  comprising  The  Parnassus  Income  Fund  (Balanced  Portfolio,
Fixed-Income  Portfolio,  and  California  Tax-Exempt  Portfolio)  (the "Fund"),
including  the  portfolios  of  investments  by industry  classification,  as of
December 31, 1997, the related statements of operations for the year then ended,
the  statements of changes in net assets for each of the two years in the period
then ended and the financial  highlights  (Note 6) for each of the five years in
the  period  then ended and for the period  from June 1, 1992  (commencement  of
operations) through December 31, 1992. These financial  statements and financial
highlights are the responsibility of the Fund's  management.  Our responsibility
is to express an opinion on these financial  statements and financial highlights
based on our audits.
     We conducted  our audits in accordance  with  generally  accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable  assurance  about  whether the  financial  statements  and  financial
highlights are free of material misstatement.  An audit includes examining, on a
test basis,  evidence  supporting  the amounts and  disclosures in the financial
statements and financial  highlights.  Our procedures  included  confirmation of
securities owned at December 31, 1997 by  correspondence  with the custodian and
brokers.  An audit also includes  assessing the accounting  principles  used and
significant  estimates  made by  management,  as well as evaluating  the overall
financial  statement  presentation.   We  believe  that  our  audits  provide  a
reasonable basis for our opinion.
     In our opinion, such financial statements and financial highlights referred
to above present fairly, in all material respects, the financial position of the
Fund as of December 31, 1997, the results of its operations,  the changes in its
net  assets  and  financial  highlights  for the  respective  stated  periods in
conformity with generally accepted accounting principles.


Deloitte & Touche LLP

San Francisco, California
January 16, 1998





<PAGE>

<TABLE>
<CAPTION>

BALANCED PORTFOLIO
PORTFOLIO OF INVESTMENTS BY INDUSTry Classification, December 31, 1997

                                                                      Percent of
      Shares    Common Stocks                                         Net Assets              Market Value
      ----------------------------------------------------------------------------------------------------
      <S>       <C>                                                    <C>                   <C>  

                DIVERSIFIED SERVICE
                AND SUPPLY
      40,000    Chemed Corporation                                          4.3%              $  1,665,000
                                                                                              ------------
                ELECTRIC UTILITIES
      30,000    CILCORP                                                                          1,468,125
      12,000    Ipalco Enterprises                                                                 504,000
      50,000    LG & E  Energy Corporation                                                       1,234,375
      85,000    Washington Water Power                                                           2,077,188
                                                                                               -----------
                Total                                                      13.6%                 5,283,688
                                                                                               -----------
                NATURAL GAS
      35,000    Black Hills Corporation                                                          1,238,125
      55,000    Energen Corporation                                                              2,186,250
      30,000    Enron                                                                            1,245,000
      30,000    Equitable Resources                                                              1,061,250
      45,000    KeySpan Energy                                                                   1,656,562
      15,000    Northwest Natural Gas                                                              465,000
      55,000    ONEOK                                                                            2,217,188
      40,000    People's Energy                                                                  1,577,500
      45,000    UGI Corporation                                                                  1,324,688
      10,000    Wicor, Inc.                                                                        465,625
                                                                                                ----------
                Total                                                      34.5%                13,437,188
                                                                                                ----------
                RESTAURANT
      80,000    Luby's Cafeterias, Inc.                                     3.6%                 1,405,000
                                                                                                ----------
                RETAIL
      10,000    J.C. Penney Company, Inc.                                   1.6%                   602,500
                                                                                                ----------
                TECHNOLOGY
      25,000    Eastman Kodak                                                                    1,520,312
      85,000    Helix Technology                                                                 1,657,500
                                                                                                 ---------
                Total                                                       8.2%                 3,177,812
                                                                                                 ---------   
                Total Common Stocks                                        65.8%                25,571,188
                                                                                                ----------
<FN>
The accompanying notes are an integral part of these financial statements.
</FN>
</TABLE>


<PAGE>

<TABLE>
<CAPTION>

Principal                                         Percent of
  Amount        Corporate Bonds                    Net Assets              Market Value
- ---------------------------------------------------------------------------------------
<S>             <C>                               <C>                      <C>  
                AIR TRANSPORT
    $ 27,733    Delta Airlines
                 8.540%, due 01/02/07                                      $     30,311
      21,648    Delta Airlines
                 8.540%, due 01/02/07                                            23,673
      20,000    Southwest Airlines
                 7.875%, due 09/01/07                                            21,954
                                                                           ------------
                Total                                    0.2%                    75,938
                                                                           ------------
                FOOD-PROCESSING
     650,000    Quaker Oats Company
                9.280%, due 12/08/09                     2.0%                   801,716
                                                                           ------------
                HOME APPLIANCES
     122,000    Whirlpool
                9.100%, due 02/01/08                     0.4%                   144,021
                                                                           ------------
                INSURANCE
     950,000    Aetna Life and Casualty
                 6.750%, due 09/15/13                    2.4%                   934,031
                                                                           ------------
                RETAIL
     605,000    Dayton Hudson
                9.625%, due 02/01/08                                            736,781
     350,000    Reebok International
                 6.750%, due 09/15/05                                           345,635
                                                                           ------------
                Total                                    2.8%                 1,082,416
                                                                           ------------
                TELECOMMUNICATIONS
     350,000    U.S. West Capital Funding
                6.350%, due 02/06/08                     0.9%                   339,990
                                                                           ------------
                Total Corporate Bonds                    8.7%                 3,378,112
                                                                           ------------


<PAGE>


   Principal    U.S. Government                      Percent of
      Amount    Agency Bonds                         Net Assets           Market Value
   -----------------------------------------------------------------------------------

   $ 200,000    Federal Farm Credit Bank
                5.810%, due 11/10/03                                       $   198,858
     300,000    Federal Home Loan Bank
                5.850%, due 12/15/03                                           298,827
   1,000,000    Federal Home Loan Bank
                6.840%, due 05/01/06                                         1,052,670
     150,000    Federal Home Loan Bank
                8.170%, due 12/16/04                                           168,416
   1,000,000    Federal Home Loan
                Mortgage Corporation
                5.825%, due 02/06/06                                           987,150
   1,150,000    Federal National
                Mortgage Association
                6.770%, due 09/01/05                                         1,203,646
     500,000    Federal National
                Mortgage Association
                6.140%, due 11/25/05                                           504,375
   1,000,000    Federal National
                Mortgage Association
                5.800%, due 02/22/06                                           985,520
                                                                            ----------
                Total U.S. Government
                Agency Bonds                              13.9%              5,399,462
                                                                            ----------

   Principal    Community                            Percent of
      Amount    Development Loans                    Net Assets           Market Value
- --------------------------------------------------------------------------------------

  $  100,000    Boston Community Loan Fund                                  $  100,000
     100,000    Cascadia Revolving Fund                                        100,000
     100,000    Institute for Community
                Economics Loan Fund                                            100,000
     100,000    Low Income Housing Fund                                        100,000
                                                                            ----------
                Total Community
                Development Loans                          1.0%                400,000
                                                                            ----------
                Total Investment
                in Securities
                (Cost, $29,442,686)                       89.4%             34,748,762
                                                                            ----------



<PAGE>


                                                     Percent of
                Short-Term Investments               Net Assets           Market Value
                ----------------------------------------------------------------------

                Union Bank of California
                Money Market Fund,
                variable rate - 5.010%                                    $  1,128,258
                Goldman Sachs
                Government Portfolio - 5.230%                                1,120,279
                Goldman Sachs
                Treasury Portfolio - 5.180%                                  1,712,815
                                                                           -----------
                Total Short-Term
                Investments                               10.2%              3,961,352
                                                                           -----------
                Total Investments                         99.6%             38,710,114
                Other Assets and
                Liabilities - Net                          0.4%                137,383
                                                         ------            -----------
                Total Net Assets                         100.0%            $38,847,497
                                                         ======            ===========

<FN>
The accompanying notes are an integral part of these financial statements.
</FN>
</TABLE>

<PAGE>


BALANCED PORTFOLIO
STATEMENT OF ASSETS AND LIABILITIES
DECEMBER 31, 1997

Assets:
Investments in securities, at market value
   (identified cost $29,442,686) (Note 1)                           $34,748,762
Temporary investments in short term securities
   (at cost, which approximates market)                               3,961,352
Receivables:
Dividends and interest                                                  274,492
Capital shares sold                                                      68,736
Other assets                                                              3,710
                                                                     ----------
       Total assets                                                  39,057,052
                                                                     ----------
Liabilities:
Dividends payable                                                       151,902
Accounts payable and accrued expenses                                    57,653
                                                                     ----------
       Total liabilities                                                209,555
                                                                     ----------
Net Assets (equivalent to $20.68
   per share based on 1,878,697.424
shares of capital stock outstanding)                                $38,847,497
                                                                    ===========
Net assets consist of:
   Distributions in excess of
       net investment income                                        $    (1,462)
   Unrealized appreciation on investments                             5,306,076
Undistributed net realized gain                                           8,799
Capital paid-in                                                      33,534,084
                                                                    -----------
       Total Net Assets                                             $38,847,497
                                                                    ===========
Computation of net asset value and offering price per share:
Net asset value and offering price per share
    ($38,847,497 divided by 1,878,697.424 shares)                       $ 20.68
                                                                    ===========



<PAGE>


BALANCED PORTFOLIO
STATEMENT OF OPERATIONS
YEAR ENDED DECEMBER 31, 1997

Investment Income:
Dividends                                                           $ 1,011,097
Interest                                                                764,809
                                                                    -----------
       Total investment income                                        1,775,906
                                                                    -----------
Expenses:
Investment advisory fees (Note 5)                                       261,492
Transfer agent fees (Note 5)                                             90,052
Fund administrative expense (Note 5)                                     35,042
Reports to shareholders                                                  28,021
Registration fees and expenses                                           18,700
Professional fees                                                        11,791
Custody fees                                                              8,882
Trustee fees and expenses                                                 6,405
Other expenses                                                           10,116
                                                                    -----------
   Subtotal of expenses before fee waiver                               470,501
Fees waived by Parnassus Investments (Note 5)                          (103,991)
                                                                    -----------
       Total expenses                                                   366,510
                                                                    -----------
           Net Investment Income                                      1,409,396
                                                                    -----------
Realized and Unrealized Gain
   on Investments:
Realized gain from security transactions:
   Proceeds from sales                                               14,012,919
   Cost of securities sold                                          (12,676,968)
                                                                    -----------
       Net realized gain                                              1,335,951
                                                                    -----------
Unrealized appreciation of investments:
   Beginning of year                                                  1,485,452
   End of year                                                        5,306,076
                                                                    -----------
       Unrealized appreciation during year                            3,820,624
                                                                    -----------
Net Realized and Unrealized
   Gain on Investments                                                5,156,575
                                                                    -----------
Net Increase in Net Assets Resulting
   from Operations                                                  $ 6,565,971
                                                                    ===========



<PAGE>


BALANCED PORTFOLIO
STATEMENTS OF CHANGES IN NET ASSETS
YEARS ENDED DECEMBER 31, 1997 AND 1996

                                              1997                    1996
                                        --------------           -------------
From Operations:
Net investment income                   $    1,409,396           $   1,396,812
Net realized gain from
   security transactions                     1,335,951               2,473,597
Net unrealized appreciation
   (depreciation) during
   the year                                  3,820,624              (1,711,490)

Increase in net assets
   resulting from operations                 6,565,971               2,158,919

Dividends to shareholders:
From net investment income                  (1,407,411)             (1,384,215)
From realized capital gains                 (1,335,937)             (2,469,121)

Increase in Net Assets from
   Capital Share Transactions                1,663,068               8,276,966

   Increase in Net Assets                    5,485,691               6,582,549

Net Assets:
Beginning of year                           33,361,806              26,779,257

End of year
   (including distributions in
   excess of net investment
   income of $1,462 in 1997
   and  $3,447 in 1996)                   $ 38,847,497           $  33,361,806





<PAGE>


FIXED-INCOME PORTFOLIO
PORTFOLIO OF INVESTMENTS BY INDUSTRY CLASSIFICATION, DECEMBER 31, 1997

   Principal                                     Percent of
    Amount    Corporate Bonds                    Net Assets        Market Value
  -----------------------------------------------------------------------------
                AIR TRANSPORT
   $  60,665    Delta Airlines
                Notes, 8.540%,
                due 01/02/07                          0.7%            $   66,305
                                                                      ----------
                COMPUTERS
      25,000    Digital Equipment Corporation
                Notes, 7.125%,
                due 10/15/02                          0.3%                25,236
                                                                      ----------
                ELECTRONICS
     400,000    Polaroid Corporation
                Notes, 7.250%,
                due 01/15/07                          4.3%               418,704
                                                                      ----------
                FINANCIAL SERVICES
     300,000    BankAmerica Corporation
                Notes, 7.125%,
                due 03/01/09                          3.2%               312,381
                                                                      ----------
                FOOD-PROCESSING
     350,000    Quaker Oats Company
                Notes, 9.280%,
                due 12/08/09                          4.4%               431,694
                                                                      ----------
                HOME APPLIANCES
     300,000    Whirlpool Corporation
                Debentures, 9.100%,
                due 02/01/08                          3.7%               354,150
                                                                      ----------
                INSURANCE
     350,000    Aetna Life and Casualty
                Notes, 6.750%,
                due 09/15/13                                             344,117
     150,000    Cigna Corporation
                Notes, 7.400%,
                due 05/17/07                                             157,440
                                                                      ----------
                Total                                 5.2%               501,557
                                                                      ----------


<PAGE>


                RETAIL
      90,000    Dayton Hudson
                Debentures, 9.625%,
                due 02/01/08                                             109,604
     350,000    Reebok International
                Debentures, 6.750%,
                due 09/15/05                                             345,635
                                                                      ----------
                Total                                 4.7%               455,239
                                                                      ----------
                TELECOMMUNICATIONS
     350,000    U.S. West Capital Funding
                Notes, 6.350%,
                due 02/06/08                          3.5%               339,990
                                                                      ----------
                Total Corporate Bonds                30.0%             2,905,256
                                                                      ----------

   Principal    U.S. Government                   Percent of
      Amount    Agency Securities                 Net Assets        Market Value
   -----------------------------------------------------------------------------

$    500,000    Federal Home Loan Bank
                6.840%, due 05/01/06                                 $  526,335
     500,000    Federal Home Loan
                Mortgage Corp.
                6.400%, due 12/13/06                                    513,315
     300,000    Federal National
                Mortgage Association
                6.720%, due 08/01/05                                    312,972
     850,000    Federal National
                Mortgage Association
                6.770%, due 09/01/05                                    889,652
     500,000    Federal National
                Mortgage Association
                6.140%, due 11/25/05                                    504,375
     500,000    Federal National
                Mortgage Association
                5.800%, due 02/22/06                                    492,760
     450,000    Federal National
                Mortgage Association
                7.350%, due 03/28/05                                    485,375
                Total U.S. Government
                Agency Securities                     38.5%           3,724,784
                                                                      ----------
                Total Investments in Securities
                (Cost, $6,251,995)                    68.5%          $ 6,630,040
                                                                      ----------

                                                  Percent of
Short-Term Investments                            Net Assets        Market Value
- --------------------------------------------------------------------------------

                Union Bank of California
                Money Market Fund,
                variable rate - 5.010%                                  386,056
                Goldman Sachs
                Government Portfolio -
                5.230%                                                  412,229
                Goldman Sachs
                Treasury Portfolio -
                5.180%                                                  409,966
                Federal Farm Credit
                Discount Note 5.620%,
                due 02/28/98                                          1,486,418
                                                                      ----------
                Total Short-Term
                Investments                           27.8%           2,694,669
                                                                      ----------
                Total Investments                     96.3%           9,324,709
                Other Assets and
                Liabilities - Net                      3.7%             358,780
                                                     ------         -----------
                Total Net Assets                     100.0%         $ 9,683,489
                                                     ======         ===========




<PAGE>


FIXED-INCOME PORTFOLIO
STATEMENT OF ASSETS AND LIABILITIES
DECEMBER 31, 1997

Assets:
Investments in securities, at market value
   (identified cost $6,251,995) (Note 1)                            $ 6,630,040
Temporary investments in short term securities
   (at cost, which approximates market)                               2,694,669
Interest receivable                                                     135,713
Other assets                                                            249,154
                                                                      ----------
       Total assets                                                   9,709,576
                                                                      ----------
Liabilities:
Accounts payable and accrued expenses                                    26,087
                                                                      ----------
       Total liabilities                                                 26,087
                                                                      ----------
Net Assets (equivalent to $16.04
   per share based on 603,851.950
shares of capital stock outstanding)                                $ 9,683,489
                                                                    ===========
Net assets consist of:
Undistributed net investment income                                  $    8,222
Unrealized appreciation on investments                                  378,045
Accumulated net realized loss                                            (1,658)
Capital paid-in                                                       9,298,880
                                                                    -----------
           Total Net Assets                                         $ 9,683,489
                                                                    ===========
Computation of net asset value and offering price per share:
Net asset value and offering price per share
    ($9,683,489 divided by 603,851.950 shares)                      $     16.04
                                                                    ===========



<PAGE>


FIXED-INCOME PORTFOLIO
STATEMENT OF OPERATIONS
YEAR ENDED DECEMBER 31, 1997

Investment Income:
Interest                                                             $  578,033
                                                                     ----------
   Total investment income                                              578,033
                                                                     ----------
Expenses:
Investment advisory fees (Note 5)                                        43,731
Transfer agent fees (Note 5)                                             23,589
Fund administrative expense (Note 5)                                      8,812
Reports to shareholders                                                   7,300
Registration fees and expenses                                           14,000
Professional fees                                                         4,258
Custody fees                                                                900
Trustee fees and expenses                                                 1,608
Other expenses                                                            4,919
                                                                     ----------
       Subtotal of expenses before fee waiver                           109,117
Fees waived by Parnassus Investments (Note 5)                          (37,064)
                                                                     ----------
   Total expenses                                                        72,053
                                                                     ----------
       Net Investment Income                                            505,980
                                                                     ----------
Realized and Unrealized Gain
   on Investments:
Realized gain from security transactions:
   Proceeds from sales                                                2,094,723
   Cost of securities sold                                           (1,986,054)
                                                                     ----------
       Net realized gain                                                108,669
                                                                     ----------
Unrealized appreciation of investments:
   Beginning of year                                                    100,680
   End of year                                                          378,045
                                                                     ----------
       Unrealized appreciation during year                              277,365
                                                                     ----------
Net Realized and Unrealized
   Gain on Investments                                                  386,034
                                                                     ----------
Net Increase in Net Assets Resulting
   from Operations                                                   $  892,014
                                                                     ==========



<PAGE>


FIXED-INCOME PORTFOLIO
STATEMENTS OF CHANGES IN NET ASSETS
YEARS ENDED DECEMBER 31, 1997 AND 1996

                                                  1997                  1996
                                              ----------            ----------
From Operations:
Net investment income                         $  505,980            $  430,512
Net realized gain
   from  security transactions                   108,669                 2,712
Net unrealized appreciation
   (depreciation) during
   the year                                      277,365               (92,885)
                                              ----------            ----------
Increase in net assets
   resulting from operations                     892,014               340,339

Dividends to shareholders:
From net investment income                      (500,716)             (424,348)
From realized capital gains                      (43,607)                    0

Increase in Net Assets from
   Capital Share Transactions                    952,103             1,883,135
                                              ----------            ----------
       Increase in Net Assets                  1,299,794             1,799,126

Net Assets:
Beginning of year                              8,383,695             6,584,569
                                              ----------            ----------
End of year
   (including undistributed
   net investment income
   of $8,222 in 1997
   and $2,958 in 1996)                       $ 9,683,489           $ 8,383,695
                                             ===========           ===========




<PAGE>


CALIFORNIA TAX-EXEMPT PORTFOLIO
PORTFOLIO OF INVESTMENTS BY INDUSTRY CLASSIFICATION, DECEMBER 31, 1997

   Principal                                     Percent of
      Amount    Municipal Bonds                  Net Assets        Market Value
   ----------------------------------------------------------------------------

                EDUCATION
$   50,000 State of California
                6.000%, due 01/01/21                                $    53,824
     170,000    State of California
                6.125%, due 10/01/11                                    194,783
     250,000    California Education
                Facilities - California
                Institute of Technology
                6.000%, due 01/01/21                                    259,960
     105,000    California Public Works -
                University of California
                at San Diego Facilities
                7.375%, due 04/01/06                                    119,321
     100,000    California Public Works -
                Community College Projects
                5.500%, due 12/01/06                                    107,136
     130,000    California Public Works -
                University of California
                5.400%, due 06/01/08                                    139,494
     175,000    California Public Works -
                California State University
                6.200%, due 10/01/08                                    194,460
     300,000    Folsom School District
                5.650%, due 08/11/11                                    326,526
     100,000    Franklin-McKinsey
                School District
                5.600%, due 07/01/07                                    106,744
     100,000    Kern High School District
                5.600%, due 08/01/13                                    109,407
     100,000    Los Angeles Municipal
                Improvement - Central
                Library Projects,
                5.200%, due 06/01/07                                    104,401
     250,000    Murrieta Valley Unified
                School District
                5.500%, due 09/01/10                                    265,787


<PAGE>


     100,000    Natomas Unified
                School District
                5.750%, due 09/01/13                                    106,974
     300,000    Oakland General
                Obligation
                5.500%, due 12/15/11                                    321,690
     110,000    Pasadena Recreational/
                Library Improvements
                5.750%, due 01/01/13                                    113,771
     130,000    Pomona Unified
                School District
                5.500%, due 08/01/11                                    141,703
     130,000    San Francisco
                Unified School District
                6.200%, due 06/15/11                                    143,360
     110,000    Santa Monica Unified
                School District
                5.400%, due 08/01/11                                    114,447
                                                                      ---------
                Total                                 44.9%           2,923,788
                                                                      ---------
                HEALTH CARE
     200,000    California Health Facilities-
                Cedar Sinai Medical Center
                5.125%, due 08/01/17                                    199,624
      60,000    California Health Facilities-
                Feedback Foundation
                6.500%, due 12/01/22                                     65,285
                                                                      ---------
                Total                                  4.1%             264,909
                                                                      ---------
                PUBLIC TRANSPORTATION
      70,000    City of Sacramento -
                Light Rail
                6.000%, due 07/01/12                                     73,956
     110,000    San Diego Mass
                Transit Authority
                5.000%, due 06/01/07                                    114,501
     125,000    San Francisco Bay Area
                Rapid Transit
                5.650%, due 07/01/10                                    134,241
                                                                      ---------
                Total                                  4.9%             322,698
                                                                      ---------


<PAGE>


                HOUSING
     205,000    Belmont Redevelopment
                Agency
                6.400%, due 08/01/09                                    225,047
      55,000    California Housing
                Finance - Multi-Family
                6.750%, due 02/01/09                                     55,088
     100,000    Glendale Redevelopment
                Agency
                5.500%, due 12/01/12                                    105,173
      50,000    Los Angeles Community
                Redevelopment
                6.000%, due 07/01/17                                     53,694
     275,000    Pasadena Community
                Development
                6.000%, due 08/01/14                                    294,107
     175,000    San Jose Redevelopment
                Agency
                6.000%, due 08/01/15                                    198,396
     200,000    University Of California
                Housing
                5.500%, due 11/01/10                                    211,606
                                                                      ---------
                Total                                 17.5%           1,143,111
                                                                      ---------
                INFRASTRUCTURE
                IMPROVEMENTS
      90,000    East Bay Municipal
                Utility District
                6.000%, due 06/01/20                                     95,338
     150,000    Los Angeles City
                General Obligation
                5.250%, due 09/01/11                                    154,209
     200,000    Los Angeles Wastewater
                System
                5.500%, due 06/01/12                                    209,862
     200,000    Pomona Public Financing
                Authority
                6.000%, due 10/01/06                                    224,406
                                                                      ---------
                Total                                 10.5%             683,815
                                                                      ---------


<PAGE>


                ENVIRONMENT
      80,000    Burbank Waste Disposal
                5.300%, due 05/01/09                                     83,003
      75,000    California Pollution
                Control-North County
                Recycling Center
                6.750%, due 07/01/17                                     84,829
     125,000    California Public Works -
                Energy Efficiency
                5.250%, due 05/01/08                                    131,191
     235,000    Northern California
                Geothermal Project
                5.800%, due 07/01/09                                    251,166
      50,000    East Bay Regional Park
                5.750%, due 09/01/12                                     51,887
      50,000    East Bay Regional Park
                6.300%, due 09/01/09                                     53,462
     315,000    Los Angeles City
                Public Works - Parks
                5.500%, due 10/01/12                                    332,706
      35,000    Midpeninsula Regional
                Open Space District
                6.250%, due 07/01/08                                     38,208
                                                                      ---------
                Total                                 15.7%           1,026,452
                                                                      ---------
                Total Investments in Securities
                (Cost, $5,910,053)                    97.6%           6,364,773
                                                                      ---------

                Short-Term                          Percent
                Investments                        Net Assets       Market Value
                ----------------------------------------------------------------

                Highmark California
                Tax-Exempt Fund,
                variable rate - 3.510%                 0.9%              56,076
                                                                      ---------
                Total Investments                     98.5%           6,420,849
                Other Assests and
                Liabilities - Net                      1.5%              98,906
                                                     ------        ------------
                Total Net Assets                     100.0%        $  6,519,755
                                                     ======        ============



<PAGE>


CALIFORNIA TAX-EXEMPT PORTFOLIO
STATEMENT OF ASSETS AND LIABILITIES
DECEMBER 31, 1997

Assets:
Investments in securities, at market value
   (identified cost $5,910,053) (Note 1)                            $ 6,364,773
Temporary investments in short term securities
   (at cost, which approximates market)                                  56,076
Interest receivable                                                     105,626
Other assets                                                              1,252
                                                                      ---------
       Total assets                                                   6,527,727
                                                                      ---------
Liabilities:
Accounts payable and accrued expenses                                     7,972
                                                                      ---------
       Total liabilities                                                  7,972
                                                                      ---------
Net Assets (equivalent to $16.72
   per share based on 389,854.737
shares of capital stock outstanding)                                $ 6,519,755
                                                                    ===========
Net assets consist of:
Undistributed net investment income                                 $     3,633
Unrealized appreciation on investments                                  454,720
Accumulated net realized loss                                            (3,906)
Capital paid-in                                                       6,065,308
                                                                    -----------
           Total Net Assets                                         $ 6,519,755
                                                                    ===========
Computation of net asset value and offering price per share:
Net asset value and offering price per share
   ($6,519,755 divided by 389,854.737 shares)                       $     16.72
                                                                    ===========



<PAGE>


CALIFORNIA TAX-EXEMPT PORTFOLIO
STATEMENT OF OPERATIONS
YEAR ENDED DECEMBER 31, 1997

Investment Income:
Interest                                                             $  331,820
                                                                      ---------
   Total investment income                                              331,820
                                                                      ---------
Expenses:
Investment advisory fees (Note 5)                                        30,932
Transfer agent fees (Note 5)                                              8,331
Fund administrative expense (Note 5)                                      6,133
Reports to shareholders                                                   3,970
Registration fees and expenses                                            1,674
Professional fees                                                         3,503
Custody fees                                                                600
Trustee fees and expenses                                                 1,124
Other expenses                                                            5,347
                                                                      ---------
   Subtotal of expenses before fee waiver                                61,614
Fees waived by Parnassus Investments (Note 5)                           (20,021)
                                                                      ---------
   Total expenses                                                        41,593
                                                                      ---------
       Net Investment Income                                            290,227
                                                                      ---------
Realized and Unrealized Gain
   on Investments:
Realized gain from security transactions:
   Proceeds from sales                                                  626,711
   Cost of securities sold                                              597,232
                                                                      ---------
       Net realized gain                                                 29,479
                                                                      ---------
Unrealized appreciation of investments:
   Beginning of year                                                    208,529
   End of year                                                          454,720
                                                                      ---------
       Unrealized appreciation during year                              246,191
                                                                      ---------
Net Realized and Unrealized
   Gain on Investments                                                  275,670
                                                                      ---------
Net Increase in Net Assets Resulting
   from Operations                                                   $  565,897
                                                                     ==========



<PAGE>


CALIFORNIA TAX-EXEMPT PORTFOLIO
STATEMENTS OF CHANGES IN NET ASSETS
YEARS ENDED DECEMBER 31, 1997 AND 1996

                                                  1997                   1996
                                              ----------             ----------
From Operations:
Net investment income                         $  290,227             $  259,435
Net realized gain from
   security transactions                          29,479                      0
Net unrealized appreciation
   during the year                               246,191                  5,632
                                              ----------             ---------- 
Increase in net assets
   resulting from operations                     565,897                265,067

Dividends to shareholders:
From net investment income                      (286,574)              (256,479)

Increase in Net Assets from
   Capital Share Transactions                    405,391              1,343,304
                                              ----------             ----------
       Increase in Net Assets                    684,714              1,351,892

Net Assets:
Beginning of year                              5,835,041              4,483,149
                                              ----------             ----------
End of year
   [including undistributed
   (distributions in excess of)
   net investment income
   of $3,633 in 1997 and
   ($20) in 1996]                            $  6,519,755          $  5,835,041
                                             ============          ============




<PAGE>


NOTES TO FINANCIAL STATEMENTS

1. Significant Accounting Policies

   The  Parnassus  Income  Fund  (the  Fund),  organized  on August 8, 1990 as a
   Massachusetts  Business Trust, is registered under the Investment Company Act
   of 1940 as a diversified, open-end investment management company comprised of
   three  separate  portfolios  each offering  separate  shares.  The Fund began
   operations  on June 1,  1992.  The  following  is a  summary  of  significant
   accounting policies of the fund.

   Securities  valuation:  The Fund's  investments  are valued each business day
   using  independent  pricing  services  ("Services")  approved by the Board of
   Trustees.  Investments  are  valued at the mean  between  the "bid" and "ask"
   prices where such quotes are readily available and are  representative of the
   actual  market for such  securities.  Other  investments  are carried at fair
   value as  determined  using  the  Services  based on  methods  which  include
   consideration  of (1) yields or prices of securities  of comparable  quality,
   coupon,  maturity and type (2)  indications as to values from dealers and (3)
   general market conditions.

   Federal income taxes: The Fund intends to comply with the requirements of the
   Internal  Revenue Code  applicable to regulated  investment  companies and to
   distribute all of its taxable income to shareholders;  therefore,  no federal
   income tax provision is required.

   As of December 31, 1997 the California Tax-Exempt Portfolio has available for
   federal  income tax purposes an unused capital loss carryover of $5,760 which
   will expire in 2002.

   Security  transactions:  In  accordance  with industry  practice,  securities
   transactions  are accounted for on the date the  securities  are purchased or
   sold (trade date).  Realized gains and losses on securities  transactions are
   determined on the basis of first-in,  first-out for both financial  statement
   and federal income tax purposes.

   Dividends to shareholders:  Distributions to shareholders are recorded on the
   record date.  The Balanced  Portfolio  pays income  dividends  quarterly  and
   capital gain dividends once a year,  generally in December.  The Fixed-Income
   and California Tax-Exempt Portfolios pay income dividends monthly and capital
   gain dividends annually.

   Investment   income  and  expenses:   Dividend  income  is  recorded  on  the
   ex-dividend date.  Interest income and estimated  expenses are accrued daily.
   Interest income,  adjusted for amortization of premium and, when appropriate,
   discount on investments, is earned from settlement date and recognized on the
   accrual basis.

   Use of Estimates:  The preparation of financial statements in conformity with
   generally  accepted   accounting   principles  requires  management  to  make
   estimates  and  assumptions  that affect the  reported  amounts of assets and
   liabilities at the date of the financial  statements and the reported amounts
   of revenues and expenses  during the reporting  period.  Actual results could
   differ from those estimates.



<PAGE>


2. Dividends To Shareholders
   Balanced Portfolio: The Portfolio declared the following dividends during the
                      year ended December 31, 1997.
   Dividend per share:        $0.205         $0.21          $0.26       $0.8515
   Record date:               3/28/97       6/27/97        9/29/97     12/29/97
   Ex-dividend date:          3/31/97       6/30/97        9/30/97     12/30/97
   Payment date:              3/31/97       6/30/97        9/30/97     12/30/97
    
   NOTES TO FINANCIAL STATEMENTS (CONTINUED)

   Fixed-Income Portfolio: The Portfolio declared the following dividends during
                          the year ended December 31, 1997.
   Dividend per share:  $0.077    $0.085   $0.085    $0.100     $0.078    $0.083
   Record date:        1/30/97   2/27/97  3/28/97   4/29/97    5/29/97   6/27/97
   Ex-dividend date:   1/31/97   2/28/97  3/31/97   4/30/97    5/30/97   6/30/97
   Payment date:       1/31/97   2/28/97  3/31/97   4/30/97    5/30/97   6/30/97

   Dividend per share:  $0.078    $0.066   $0.070    $0.060     $0.060   $0.1251
   Record date:        7/30/97   8/28/97  9/29/97  10/30/97   11/27/97  12/30/97
   Ex-dividend date:   7/31/97   8/29/97  9/30/97  10/31/97   11/28/97  12/31/97
   Payment date:       7/31/97   8/29/97  9/30/97  10/31/97   11/28/97  12/31/97

   California Tax-Exempt Portfolio: The Portfolio declared the following 
                              dividends during the year ended December 31, 1997.
   Dividend per share:  $0.066    $0.070   $0.063    $0.069     $0.063    $0.064
   Record date:        1/30/97   2/27/97  3/28/97   4/29/97    5/29/97   6/27/97
   Ex-dividend date:   1/31/97   2/28/97  3/31/97   4/30/97    5/30/97   6/30/97
   Payment date:       1/31/97   2/28/97  3/31/97   4/30/97    5/30/97   6/30/97

   Dividend per share:  $0.064    $0.062   $0.065    $0.060     $0.059   $0.0485
   Record date:        7/30/97   8/28/97  9/29/97  10/30/97   11/27/97  12/30/97
   Ex-dividend date:   7/31/97   8/29/97  9/30/97  10/31/97   11/28/97  12/31/97
   Payment date:       7/31/97   8/29/97  9/30/97  10/31/97   11/28/97  12/31/97




<PAGE>


3. Capital Stock
   Balanced  Portfolio:  As of December 31, 1997, there were an unlimited number
   of  shares of no par value  capital  stock  authorized  and  capital  paid-in
   aggregated $33,534,084.  Transactions in capital stock (shares) for the years
   ended December 31, 1997 and 1996 were as follows:
<TABLE>
<CAPTION>

                                                                    1997                                1996
                                                       ----------------------------          --------------------------
                                                         Shares              Amount            Shares           Amount
                                                       ----------       -----------          ---------      -----------
   <S>                                                 <C>              <C>                  <C>            <C>        
   Shares sold                                            243,713       $ 4,709,089            485,421      $ 9,526,654
   Shares issued through dividend reinvestment            124,257         2,482,385            190,947        3,587,500
   Shares repurchased                                    (287,159)       (5,528,406)          (246,116)      (4,837,188)
                                                       -----------      -----------          ----------     -----------
   NET INCREASE                                            80,811       $ 1,663,068            430,252      $ 8,276,966
                                                       ===========      ===========          ==========     ===========
</TABLE>

   Fixed-Income  Portfolio:  As of December  31,  1997,  there were an unlimited
   number of shares of no par value capital stock authorized and capital paid-in
   aggregated  $9,298,880.  Transactions in capital stock (shares) for the years
   ended December 31, 1997 and 1996 were as follows:
<TABLE>
<CAPTION>

                                                                 1997                                   1996
                                                     ----------------------------          --------------------------
                                                       Shares              Amount            Shares           Amount
                                                     ----------       -----------          ---------      -----------
   <S>                                                 <C>              <C>                  <C>            <C>        
   Shares sold                                          154,187       $ 2,410,292            221,021      $ 3,333,554
   Shares issued through dividend reinvestment           24,386           379,889             19,702          300,611
   Shares repurchased                                  (117,962)       (1,838,078)          (115,949)      (1,751,030)
                                                     -----------      -----------          ----------     -----------
   NET INCREASE                                          60,611       $   952,103            124,774      $ 1,883,135
                                                     ===========      ===========          ==========     ===========
</TABLE>

   California  Tax-Exempt  Portfolio:  As of December  31,  1997,  there were an
   unlimited  number  of shares of no par value  capital  stock  authorized  and
   capital paid-in aggregated $6,065,308. Transactions in capital stock (shares)
   for the years ended December 31, 1997 and 1996 were as follows:

<TABLE>
<CAPTION>
                                                                    1997                                1996
                                                       ----------------------------          --------------------------
                                                         Shares              Amount            Shares           Amount
                                                       ----------       -----------          ---------      -----------
   <S>                                                 <C>              <C>                  <C>            <C>        
   Shares sold                                             72,701       $ 1,163,383             95,909      $ 1,509,468
   Shares issued through dividend reinvestment             12,758           206,661             12,131          191,716
   Shares repurchased                                     (59,924)         (964,653)           (22,783)        (357,880)
                                                       ----------       -----------          ----------    ------------
   Net Increase                                            25,535       $   405,391             85,257      $ 1,343,304
                                                       ==========       ===========          ==========    ============
</TABLE>

<PAGE>


4. Purchases of Securities

   Balanced  Portfolio:  Purchases of securities for the year ended December 31,
   1997 were $10,460,459. For federal income tax purposes, the aggregate cost of
   securities and unrealized  appreciation at December 31, 1997 were the same as
   for  financial  statement  purposes.  Of the  $5,306,076  of  net  unrealized
   appreciation  at December 31, 1997,  $5,719,398  related to  appreciation  of
   securities and $413,322 related to depreciation of securities.

   Fixed-Income  Portfolio:  Purchases of securities for the year ended December
   31, 1997 were $1,322,436. For federal income tax purposes, the aggregate cost
   of securities and unrealized  appreciation at December 31, 1997 were the same
   as for  financial  statement  purposes.  Of the  $378,045  of net  unrealized
   appreciation  at December  31,  1997,  $378,045  related to  appreciation  of
   securities and $0 related to depreciation of securities.

   California Tax-Exempt  Portfolio:  Purchases of securities for the year ended
   December  31, 1997 were  $1,115,866.  For federal  income tax  purposes,  the
   aggregate cost of securities and unrealized appreciation at December 31, 1997
   were the same as for  financial  statement  purposes.  Of the $454,720 of net
   unrealized   appreciation   at  December  31,  1997,   $454,720   related  to
   appreciation of securities and $0 related to depreciation of securities.

5. Investment Advisory Agreement And Transactions With Affiliates

   Under  terms  of  an  agreement  which  provides  for  furnishing  investment
   management  and advice to the Fund,  Parnassus  Investments  is  entitled  to
   receive fees computed  monthly,  based on the Fund's average daily net assets
   for the month, at the following annual rates:

   Balanced  Portfolio:  0.75%  of the  first  $30,000,000,  0.70%  of the  next
   $70,000,000 and 0.65% of the amount above $100,000,000.

   Fixed Income  Portfolio and  California  Tax-Exempt  Portfolio:  0.50% of the
   first  $200,000,000,  0.45% of the next  $200,000,000 and 0.40% of the amount
   above $400,000,000.

   However,  the  following  were  actually  charged in 1997.  For the  Balanced
   Portfolio,  the investment  advisory fee was 0.30% for the first three months
   of 1997. Beginning April 1, 1997, this fee was increased to 0.50%.  Parnassus
   Investments  received net advisory fees  totaling  $157,501 from the Balanced
   Portfolio  for the  year  ended  December  31,  1997.  For  the  Fixed-Income
   Portfolio,  Parnassus  Investments waived the investment advisory fee for the
   first three months of 1997.  Beginning  April 1, 1997 an investment  advisory
   fee of 0.10% was charged to the Fixed Income Portfolio. Parnassus Investments
   received net advisory  fees totaling  $6,667 from the Fixed Income  Portfolio
   for  the  year  ended  December  31,  1997.  For  the  California  Tax-Exempt
   Portfolio,  the investment  advisory fee was 0.10% for the first three months
   of 1997. Beginning April 1, 1997, this fee was increased to 0.20%.  Parnassus
   Investments  received net advisory fees totaling  $10,911 from the California
   Tax-Exempt Portfolio for the year ended December 31, 1997.

   Parnassus Investments has agreed to reduce its investment advisory fee to the
   extent necessary to limit total operating expenses to 1.25% of net assets for
   the  Balanced  Portfolio  and 1.00% of net  assets for the  Fixed-Income  and
   California Tax-Exempt Portfolios.

   Under terms of a separate  agreement  which provides for furnishing  transfer
   agent and fund  administration  services to the Fund,  Parnassus  Investments
   received fees paid by the Fund totaling  $171,959 for the year ended December
   31, 1997.  The transfer agent fee is $2.30 per month per account and the fund
   administration fee is $4,167 per month.

   Jerome L. Dodson is the President of the Fund and is the sole  stockholder of
   Parnassus Investments.



<PAGE>


6. Financial Highlights

   Selected data for each share of capital stock  outstanding,  total return and
   ratios/supplemental  data for the years ended December 31, 1997,  1996, 1995,
   1994,  1993 and for the seven month  period  ended  December  31, 1992 are as
   follows:
<TABLE>
<CAPTION>
     -----------------------------------------------------------------------------------------------------------------------------
     Balanced Portfolio                                           1997        1996       1995         1994        1993      1992
     -----------------------------------------------------------------------------------------------------------------------------
     <S>                                                        <C>         <C>        <C>          <C>         <C>        <C>   
     Net asset value at beginning of period                     $ 18.56     $ 19.58    $ 15.70      $ 17.46     $ 16.17    $ 0.00
     Income from investment operations:
        Net investment income                                      0.79        0.98       0.88         0.80        1.20      0.17
        Net realized and unrealized gain (loss) on securities      2.86        0.37       3.93        (1.75)       1.36     16.15
           Total from investment operations                        3.65        1.35       4.81        (0.95)       2.56     16.32
     Distributions:
        Dividends from net investment income                      (0.79)      (0.97)     (0.90)       (0.81)      (1.21)    (0.15)
        Distributions from net realized gain on securities        (0.74)      (1.40)     (0.03)        0.00       (0.06)     0.00
            Total distributions                                   (1.53)      (2.37)     (0.93)       (0.81)      (1.27)    (0.15)
     Net asset value at end of period                           $ 20.68     $ 18.56    $ 19.58      $ 15.70     $ 17.46   $ 16.17
     Total Return*                                                20.15%       7.09%     31.13%       (5.39%)     15.91%     8.58%
     Ratios / Supplemental Data:
        Ratio of expenses to average net assets (actual)**         1.05%       0.80%      0.72%        0.83%       0.81%     0.00%
        Decrease reflected in the above expense ratios due to
            undertakings by Parnassus Investments                  0.30%       0.60%      0.82%        0.88%       1.24%     1.14%
        Ratio of net investment income to average net assets       4.04%       4.56%      4.76%        5.15%       4.94%     2.44%
        Portfolio turnover rate                                   34.12%       47.80%    15.36%        6.50%      33.40%    23.54%
     Average commission per share+                               $ 0.061      $ 0.069      .--          .--         .--       .--
     Net assets, end of period (000's)                           $38,847      $33,362   $26,779      $17,087     $11,542   $ 3,241

     -----------------------------------------------------------------------------------------------------------------------------
     Fixed-Income Portfolio                                       1997        1996       1995         1994        1993      1992
     -----------------------------------------------------------------------------------------------------------------------------
     Net asset value at beginning of period                     $ 15.43     $ 15.73    $ 13.79      $ 15.89     $ 15.33    $ 0.00
     Income from investment operations:
        Net investment income                                      0.90        0.92       0.95         1.02        1.03      0.36
        Net realized and unrealized gain (loss) on securities      0.67       (0.31)      1.95        (2.08)       0.57     15.32
           Total from investment operations                        1.57        0.61       2.90        (1.06)       1.60     15.68
     Distributions:
        Dividends from net investment income                      (0.89)      (0.91)     (0.96)       (1.04)      (1.03)    (0.35)
        Distributions from net realized gain on securities        (0.07)       0.00       0.00         0.00       (0.01)     0.00
            Total distributions                                   (0.96)      (0.91)     (0.96)       (1.04)      (1.04)    (0.35)
     Net asset value at end of period                           $ 16.04     $ 15.43    $ 15.73      $ 13.79     $ 15.89   $ 15.33
     Total Return*                                                10.60%       4.08%     21.58%      (6.76%)      10.59%     2.87%
     Ratios / Supplemental Data:
        Ratio of expenses to average net assets (actual)**         0.82%       0.83%      0.90%       0.81%        0.68%     0.00%
        Decrease reflected in the above expense ratios due to
            undertakings by Parnassus Investments                  0.43%       0.50%      0.73%       0.98%        1.00%     1.18%
        Ratio of net investment income to average net assets       5.79%       5.98%      6.20%       7.00%        6.43%     3.20%
        Portfolio turnover rate                                   17.15%       2.80%     12.10%       5.20%       10.90%    15.29%
     Net assets, end of period (000's)                          $ 9,683     $ 8,384    $ 6,585     $ 4,545      $ 4,160   $ 2,093

<PAGE>
     -----------------------------------------------------------------------------------------------------------------------------
     California Tax-Exempt Portfolio                              1997        1996        1995        1994        1993      1992
     -----------------------------------------------------------------------------------------------------------------------------
     Net asset value at beginning of period                     $ 16.02     $ 16.06     $ 14.28     $ 16.10     $ 15.06    $ 0.00
     Income from investment operations:
        Net investment income                                      0.74        0.08        0.82        0.80        0.77      0.19
        Net realized and unrealized gain (loss) on securities      0.71       (0.06)       1.78       (1.81)       1.16     15.05
           Total from investment operations                        1.45        0.74        2.60       (1.01)       1.93     15.24
     Distributions:
        Dividends from net investment income                                  (0.78)      (0.82)      (0.81)      (0.78)    (0.18)
        Distributions from net realized gain on securities        (0.75)       0.00        0.00        0.00       (0.11)     0.00
            Total distributions                                   (0.75)      (0.78)      (0.82)      (0.81)      (0.89)    (0.18)
     Net asset value at end of period                           $ 16.72     $ 16.02     $ 16.06     $ 14.28     $ 16.10   $ 15.06
     Total Return*                                                 9.33%       4.78%      18.60%     (6.36%)      13.03%     1.70%
     Ratios / Supplemental Data:
        Ratio of expenses to average net assets (actual)**         0.67%       0.54%       0.50%       0.39%       0.48%     0.00%
        Decrease reflected in the above expense ratios due to
            undertakings by Parnassus Investments                  0.32%       0.46%       0.69%       0.87%       0.99%     2.10%
        Ratio of net investment income to average net assets       4.69%       4.96%       5.30%       5.37%       4.89%     2.10%
        Portfolio turnover rate                                   10.00%       0.00%      13.10%      12.00%       20.46%    0.00%
     Net assets, end of period (000's)                          $ 6,520      $ 5,835    $ 4,483     $ 3,902      $ 3,256  $ 1,061
<FN>

   * 1992 ratios  reflect  returns  for seven  months of  operation  and are not
   annualized.
   **  Parnassus  Investments  has agreed to a 1.25% limit on  expenses  for the
   Balanced   Portfolio  and  1%  limit  for  the  Fixed-Income  and  California
   Tax-Exempt Portfolios (See note 5 for details).  Certain fees were waived for
   the years ended December 31, 1997,  1996,  1995,  1994 and 1993. All expenses
   were waived for the  seven-month  period ended December 31, 1992;  therefore,
   the actual  ratio of expenses to average  net assets for each  portfolio  for
   1992 was 0%.
   + Average  commission rate is calculated for the periods beginning January 1,
   1996 and apply only to portfolios with equity holdings.
</FN>
</TABLE>




<PAGE>


THE PARNASSUS INCOME FUND


INVESTMENT ADVISER
Parnassus Investments
One Market-Steuart Tower #1600
San Francisco, California 94105


LEGAL COUNSEL
Richard D. Silberman, Esq.
465 California Street #1020
San Francisco, California 94104


AUDITORS
Deloitte & Touche LLP
50 Fremont Street
San Francisco, California 94105


CUSTODIAN
Union Bank of California
475 Sansome Street
San Francisco, California 94111


DISTRIBUTOR
Parnassus Investments
One Market-Steuart Tower #1600
San Francisco, California 94105


www.parnassus.com


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