WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 836423
<NAME> Oppenheimer Cash Reserves - B Shares
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> JUL-31-2000
<PERIOD-START> AUG-01-1999
<PERIOD-END> JUL-31-2000
<INVESTMENTS-AT-COST> 534,425,996
<INVESTMENTS-AT-VALUE> 534,425,996
<RECEIVABLES> 18,979,311
<ASSETS-OTHER> 244,092
<OTHER-ITEMS-ASSETS> 350,761
<TOTAL-ASSETS> 554,000,160
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 15,074,636
<TOTAL-LIABILITIES> 15,074,636
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 538,920,814
<SHARES-COMMON-STOCK> 172,340,768
<SHARES-COMMON-PRIOR> 204,078,414
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4,710
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 172,345,401
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 36,116,352
<OTHER-INCOME> 0
<EXPENSES-NET> 7,908,669
<NET-INVESTMENT-INCOME> 28,207,683
<REALIZED-GAINS-CURRENT> 4,319
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 28,212,002
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 9,902,934
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 677,633,692
<NUMBER-OF-SHARES-REDEEMED> 717,769,297
<SHARES-REINVESTED> 8,397,959
<NET-CHANGE-IN-ASSETS> 20,604,674
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 391
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,880,791
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 7,914,810
<AVERAGE-NET-ASSETS> 225,824,000
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.04
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> 0.04
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 1.61
</TABLE>
