The Internal Revenue Service announced that interest rates for the calendar quarter beginning October 1, 2010, will remain the same. The rates will be:
four (4) percent for overpayments [three (3) percent in the case of a corporation];
four (4) percent for underpayments;
six (6) percent for large corporate underpayments; and
one and one-half (1.5) percent for the portion of a corporate overpayment exceeding $10,000.