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 U.S. tax rate schedule.)

Required:

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?

Individuals Schedule X-Single If taxable income is over: But not over: The tax is: $ 0 $ 9.875 10% of taxable income $ 9,875 $ 40,125 $987.50 plus 12% of the excess over $9.875 $ 40,125 $ 85,525 $4.617.50 plus 22% of the excess over $40.125 $ 85,525 $163,300 $14.605.50 plus 24% of the excess over $85,525 $163,300 $207,350 $33,271.50 plus 32% of the excess over $163,300 $207,350 $518.400 $47.367.50 plus 35% of the excess over $207,350 $518,400 $156,235 plus 37% of the excess over $518,400 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 Schedule Z-Head of Household If taxable income is over: But not over: The tax is: $ 0 $ 14,100 10% of taxable income $ 14,100 $ 53,700 $1,410 plus 12% of the excess over $14.100 $ 53,700 $ 85,500 56.162 plus 22% of the excess over $53,700 $ 85,500 $163,300 $13,158 plus 24% of the excess over $85,500 $163,300 $207,350 $31.830 plus 32% of the excess over $163,300 $207,350 $518,400 S45,926 plus 35% of the excess over $207,350 $518,400 $154.793.50 plus 37% of the excess over $518,400 Schedule Y-2-Married Filing Separately If taxable income is over: But not over: The tax is: $ 0 $ 9,875 10% of taxable income $ 9,875 $ 40,125 $987.50 plus 12% of the excess over $9.875 $ 40,125 $ 85,525 $4.617.50 plus 22% of the excess over $40.125 $ 85,525 $163,300 $14.605.50 plus 24% of the excess over $85,525 $163,300 $207,350 $33.271.50 plus 32% of the excess over $163,300 $207,350 $311,025 S47,367.50 plus 35% of the excess over $207,350 $311,025 $83.653.75 plus 37% of the excess over $311,025