The interest rates on overpayments and underpayments for the second quarter of 2020 are unchanged from the first quarter rates (Rev Rul. 2020-7). The rates are:
The 5% rate is used to figure estimated tax penalties for individuals for the first 15 days of April.
Debt secured by a principal residence or second home to the extent of the excess of fair market value over acquisition debt. An interest deduction is generally allowed for home equity debt up to $100,000 ($50,000 if married filing separately).