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    PracticeCPA®CPA TCP Practice Exam 5Question 12
    Hard1 markMultiple Choice
    Area I: Individual Compliance and PlanningTCPIndividual TaxRetirement Planning

    CPA · Question 12 · Area I: Individual Compliance and Planning

    A taxpayer, age 45, is deciding between contributing $7,000 to a Traditional IRA (deductible) or a Roth IRA (non-deductible) for Year 1. The taxpayer's current marginal tax rate is 32%. The taxpayer expects to be in the 24% marginal tax rate bracket in retirement. The investment is expected to double in value by retirement. Which option provides the greater after-tax wealth at retirement, assuming the tax savings from the Traditional IRA are invested in a taxable account earning the same return (taxed as ordinary income)?

    Answer options:

    A.

    Traditional IRA

    B.

    Roth IRA

    C.

    Both produce identical results.

    D.

    Cannot be determined without the exact rate of return.

    How to approach this question

    General Rule: If Current Tax Rate > Future Tax Rate -> Traditional (take deduction now). If Current < Future -> Roth (pay tax now).

    Full Answer

    A.Traditional IRA✓ Correct
    A
    The Traditional IRA allows a deduction at 32%. The withdrawal is taxed at 24%. This tax rate arbitrage favors the Traditional IRA. The Roth locks in a 32% tax cost today to avoid a 24% tax later, which is inefficient.

    Common mistakes

    Assuming Roth is always better; ignoring the tax rate differential.
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