Schedule Y-1-Married Filing Jointly or Qualifying Widow(er) If taxable income is over: But not over: The tax is: $ 0 $ 19,750 10% of taxable income $ 19,750 $ 80,250 $1,975 plus 12% of the excess over $19,750 $ 80,250 $171,050 $9,235 plus 22% of the excess over $80,250 $171,050 $326,600 $29,211 plus 24% of the excess over $171,050 $326,600 $414,700 $66,543 plus 32% of the excess over $326,600 $414,700 $622,050 $94,735 plus 35% of the excess over $414,700 $622,050 $167,307.50 plus 37% of the excess over $622,050 Scot and Vidia, married taxpayers, earn $256,000 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: a. If Scot and Vidia earn an additional $93,200 of taxable income, what is their marginal tax rate on this income? b. What is their marginal tax rate if, instead, they report an additional $93,200 in deductions? (For all requirements, do not round intermediate calculations. Round your answers to 2 decimal places.) a. % Marginal tax rate Marginal tax rate b. %