Chuck, a single taxpayer, earns $164,500 in taxable income and $18,200 in interest

Chuck, a single taxpayer, earns $164,500 in taxable income and $18,200 in interest

Chuck, a single taxpayer, earns $164,500 in taxable income and $18,200 in interest from an investment in City of Heflin bonds. (Using the U.S. tax rate schedule).
a. If Chuck earns an additional $71,000 of taxable income, what is his marginal tax rate on this income?