Miley, a single taxpayer, plans on reporting $31,875 of taxable income this year (all of her income is from a part-time job). She is considering applying for a second part-time job that would give her an additional $11,400 of taxable income. By how much will the income from the second job increase her tax liability?

a) $3,640.50

b) $1,825.50

Explanation:

The key thing is to note that tax rates vary per income and various income levels have different taxes. In calculating you add up the maximum of the lower level as you move higher up the classes. Let's solve the question to understand.

Total tax liability when taxable income is $31,875:

Tax rate for,

$0 to $9,225 = 10%

= $9,225*10/100

= $922.50

Her income is still higher so we go to the next class,

$9,225 to $31,875 = 12%

= $31,875 - $9,225

= $22,650*12/100

= $2,718

Total tax liability when taxable income is $31,875

= $2,718 + $922.50

= $3,640.50

Now, if the second part-time job is added then total taxable income is $31,875 + $11,400 = $43,275

We go up the classes again,

$0 to $9,225 = 10%

= $9,225*10/100

= $922.50

$9,225 to $38,700 = 12%

= $38,700 - $9,225

= $29,475*12/100

= $3,537

$38,700 to $43,275 = 22%

= $43,275 - $38,700

= $4,575 * 22/100

= $1,006.5

Total tax liability when taxable income is $43,275,

= $1,006.5 + $3,537 + $922.50

= $5,466

Increase in tax liability = $5,466 - $3,640.50

= $1,825.5

Tax liability will increase by $1,825.50 as a result of the second job.

88 because 4 plus 4 equals 8. 40 plus 40 equals 80. 80 plus 8 equals 88

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