Medium1 markMultiple Choice

CPA · Question 07 · Area I: Individual Compliance and Planning

A taxpayer's Year 1 AGI was $160,000 and tax liability was $30,000. In Year 2, they expect an AGI of $200,000 and a tax liability of $45,000. What is the minimum estimated tax payment required for Year 2 to avoid underpayment penalties?

Answer options:

A.

$30,000 (100% of prior year tax)

B.

$33,000 (110% of prior year tax)

C.

$40,500 (90% of current year tax)

D.

$45,000 (100% of current year tax)

How to approach this question

Check the AGI threshold. Since prior year AGI > $150,000, the safe harbor is the lesser of 90% of current tax or 110% of prior tax.

Full Answer

B.$33,000 (110% of prior year tax)✓ Correct
B
Under IRC §6654, the safe harbor is the lesser of 90% of current year tax ($45,000 * 0.9 = $40,500) or 100% of prior year tax. However, if prior year AGI > $150,000, the prior year safe harbor becomes 110%. Prior tax $30,000 * 1.10 = $33,000. Since $33,000 < $40,500, the minimum payment is $33,000.

Common mistakes

Using 100% of prior year tax despite the high AGI.

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