Scot and Vidia, married taxpayers, earn $284,500 in taxable income and $5,000 in interest from an investment in City of Tampa bonds. (Use the U.S. tax rate schedule for married filing jointly).

Required:

If Scot and Vidia earn an additional $32,000 of taxable income, what is their marginal tax rate on this income?

What is their marginal rate if, instead, they report an additional $32,000 in deductions?

a. marginal tax rate....%

b. marginal tax rate ....%