| The investment seeks high level of current interest income exempt from federal income tax, as is consistent with the preservation of capital. The fund invests primarily in municipal securities, zero coupon, tax, revenue, and bond anticipation notes and tax-exempt commercial paper. It normally invests at least 80% of net assets in securities issued by or on behalf of various states or municipalities, the interest on which is exempt from federal income tax. The fund is nondiversified. |