Martin, a single taxpayer, earns $96,000 per year in taxable income and an additional $12,000 per year in city of Las Cruces bonds (tax exempt), if Martin earns an additional $90,000 in taxable income in year 2021, what is his marginal tax rate (rounded 2 decimal places xx.xx) on this additional income? QUESTION 4 Martin, a single taxpayer, earns $96,000 per year in taxable income. What is Martin's current marginal tax rate (if he earns one more dollar) for year 2021