<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 241
<NAME> PRIME MONEY MARKET FUND CLASS A
<S> <C>
<PERIOD-TYPE> 8-MOS
<FISCAL-YEAR-END> MAR-31-2000
<PERIOD-START> APR-01-1999
<PERIOD-END> NOV-07-1999
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 0
<RECEIVABLES> 0
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 0
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 0
<TOTAL-LIABILITIES> 0
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 0
<SHARES-COMMON-PRIOR> 651,145,192
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 0
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 163,558,363
<OTHER-INCOME> 0
<EXPENSES-NET> 9,460,098
<NET-INVESTMENT-INCOME> 154,098,265
<REALIZED-GAINS-CURRENT> (6,979)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 154,091,286
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 21,574,179
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 486,495,080
<NUMBER-OF-SHARES-REDEEMED> 1,138,870,660
<SHARES-REINVESTED> 1,230,388
<NET-CHANGE-IN-ASSETS> (3,875,373,126)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 13,292,036
<AVERAGE-NET-ASSETS> 4,119,247,049
<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> 0.00
<EXPENSE-RATIO> 0.75
</TABLE>