Jim who is married but files separately, earns $80,000 of taxable income. He also has $15,000 in interest from a city of Asheville bond.. His wife, May, earns $50,000 of taxable income. If Jim earned an additional $30,000 of taxable income this year, what would be the marginal tax rate (rounded) on the extra income for 2019? (Use tax rate schedule.)