Question - The taxpayer was in the 35% marginal tax bracket in 2016 and deducted $15,000 in state income taxes as an itemized deduction that year. In 2017, he filed his 2016 state income tax return and received a $5,000 refund of state income taxes paid in 2016. His marginal tax rate in 2017 was 15%. What was the taxpayer's Federal benefit from the overpayment of his 2016 state income tax?