Scot and Vidia, married taxpayers, earn $240,000 in taxable income and $5,000 in interest from an investment in City of Tampa bonds. (Use the U.S. for married filing jointly.) Required: a. If Scot and Vidia earn an additional $80,000 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 $80,000 in deductions? Note: For all requirements, round your answers to 2 decimal places. Schedule Y-1-Married Filing Jointly or Qualifying surviving spouse \begin{tabular}{|c|c|l|} \hline If taxable income is over: & But not over: & \multicolumn{1}{|c|}{ The tax is: } \\ \hline$0 & $22,000 & 10% of taxable income \\ \hline$22,000 & $89,450 & $2,200 plus 12% of the excess over $22,000 \\ \hline$89,450 & $190,750 & $10,294 plus 22% of the excess over $89,450 \\ \hline$190,750 & $364,200 & $32,580 plus 24% of the excess over $190,750 \\ \hline$364,200 & $462,500 & $74,208 plus 32\% of the excess over $364,200 \\ \hline$462,500 & $693,750 & $105,664 plus 35\% of the excess over $462,500 \\ \hline$693,750 & - & $186,601.5 plus 37\% of the excess over $693,750 \\ \hline \end{tabular}