Question

Manny, a single taxpayer, earns $69,600 per year in taxable income and an additional $12,460 per year in city of Boston bonds. If Manny earns an additional $39,800 in taxable income in 2020, what is his marginal tax rate on this income?

2020 Tax Rate Schedules

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	$6,162 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	$45,926 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	$47,367.50 plus 35% of the excess over $207,350
$311,025	—	$83,653.75 plus 37% of the excess over $311,025

Answer 1

Answer -

Marginal tax rate on Manny's income for 2020 = 23.20%

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Explanation -  

Particulars		Calculations
Tax on $69,600	11,102.00	= $4,617.50 + 22%[$69,600 - $40,125]
Taxable Income	109,400.00	= $69,600 + $39,800
Tax on $109,400	20,335.50	= $14,605.50 + 24%[$109,400 - $85,525]
Marginal Tax Rate	23.20%	= [20,335.50 - 11,102] / 39,800

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