Chuck, a single taxpayer, earns $77,600 in taxable income and $12,900 in interest from an investment in City of Heflin bonds.

Required:

1. If Chuck earns an additional $40,000 of taxable income, what is his marginal tax rate on this income?
2. What is his marginal rate if, instead, he had $40,000 of additional deductions?

Schedule X-Single \begin{tabular}{|c|c|l|} \hline If taxable income is over: & But not over: & \multicolumn{1}{|c|}{ The tax is: } \\ \hline$10 & $10,275 & 10% of taxable income \\ \hline$10,275 & $41,775 & $1,027.50 plus 12% of the excess over $10,275 \\ \hline$41,775 & $89,075 & $4,807.50 plus 22% of the excess over $41,775 \\ \hline$89,075 & $170,050 & $15,213.50 plus 24% of the excess over $89,075 \\ \hline$170,050 & $215,950 & $34,647.50 plus 32% of the excess over $170,050 \\ \hline$215,950 & $539,900 & $49,335.50 plus 35% of the excess over $215,950 \\ \hline$539,900 & - & $162,718 plus 37% of the excess over $539,900 \\ \hline \end{tabular}