ework (Chapter Chuck, a single taxpayer, earns $75,000 in taxable income and $10.000 in interest from an investment in City of Heflin bonds, (Use the US tax rate schedule) a. If Chuck earns an additional $40,000 of taxable income, what is his marginal tax rate on this income? b. What is his marginal rate if, instead, he had $40,000 of additional deductions (For all requirements, do not round intermediate calculations. Round your answers to 2 decimal places) a Marginai tax rate b. Marginal tax rate Prey 6of9Next > 5 6 8 O P D F GH JKL