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? (For all requirements, do not round intermediate calculations. Round your answers to 2 decimal places.) Marginal tax rate Marginal tax rate a. b. Individuals Schedule X-Single If taxable income is over: But not over: The tax is: $ 9,700 10% of taxable income $ 9,700 $ 39,475 $ 84,200 $970 plus 12% of the excess over $9,700 $ 39,475 $4,543 plus 22% of the excess over $39,475 $ 84,200 $14,382.50 plus 24% of the excess over $84,200 $32,748.50 plus 32% of the excess over $160,725 $46,628.50 plus 35% of the excess over $204,100 $153,798.50 plus 37% of the excess over $510,300 $160,725 $160,725 $204,100 $204,100 $510,300 $510,300 Schedule Y-1-Married Filing Jointly or Qualifying Widow(er) If taxable income is over: But not over: The tax is: 10% of taxable income S1,940 plus 12% of the excess over $19,400 S9,086 plus 22% of the excess over $78,950 $ 19,400 $ 78,950 $ 19,400 $ 78,950 $168,400 $168,400 $321,450 $28,765 plus 24% of the excess over $168,400 S65,497 plus 32% of the excess over $321,450 $321,450 $408,200 $93,257 plus 35% of the excess over $408,200 $408,200 $612,350 $164,709.50 plus 37% of the excess over $612,350 $612,350 Schedule Z-Head of Household S408,200 $164,709.50 plus 37% of the excess over $612,350 $612,350 Schedule Z-Head of Household The tax is: If taxable income is over: But not over: $ 13,850 $ 52,850 $ 84,200 10% of taxable income $1,385 plus 12% of the excess over $13,850 $ 13,850 S 52,850 $ 84,200 $6,065 plus 22% of the excess over $52,850 $12,962 plus 24% of the excess over $84,200 $31,322 plus 32% of the excess over $160,700 $45,210 plus 35% of the excess over $204,100 $160,700 $204,100 $160,700 $204,100 $510,300 $152,380 plus 37% of the excess over $510,300 $510,300 Schedule Y-2-Married Filing Separately If taxable income is over: But not over: The tax is: 10% of taxable income $970 plus 12% of the excess over $9,700 $4,543 plus 22% of the excess over $39,475 $14,382.50 plus 24% of the excess over $84,200 $32,748.50 plus 32% of the excess over $160,725 $ 9,700 $ 39,475 $ 84,200 $ 9,700 S 39,475 S 84,200 $160,725 $160,725 $204,100 $46,628.50 plus 35% of the excess over $204,100 $204,100 $306,175 $82,354.75 plus 37% of the excess over $306,175 $306,175