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Comparison
of the effectiveness of a Roth v. Traditional Retirement Plan
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Today's marginal tax rate:
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(Federal plus state)
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Marginal tax rate at retirement
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Expected Investment Earnings
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Expected earnings at retirement
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Annual Contributions
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# years till retirement
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Here's
the comparison assuming you would invest the same net amount in either
choice:
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Traditional
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Roth
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Today's marginal tax rate:
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0.0%
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(Federal plus state)
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Annual Contributions
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Total amount saved
for retirement
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Annual amount
available for spending
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(assuming you don't want
to
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spend down your principal)
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Marginal tax rate at
retirement
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0.0%
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Annual amount
available for spending
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Now
assume you're going to contribute "net-of-tax" dollars.
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IE: Watch what happens when you maximize your
401k based on tax savings earned immediately.
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Traditional
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Roth
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Today's marginal tax rate:
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0.0%
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(Federal plus state)
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Annual
Contributions - Tax effected*
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Total amount saved
for retirement
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Annual amount
available for spending
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(assuming you don't want
to
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spend down your principal)
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Marginal tax rate at
retirement
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0.0%
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Annual amount
available for spending
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(net of tax)
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* Since a traditional retirement vehicle is
deductible now; you are able to
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contribute
more. This tool assumes you will
maximize the amount you
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can
contribute based on current tax savings.
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IE:
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in Traditional 401k
contributions
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will lower your net pay by only
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based on the current
assumptions.
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When
choosing between Roth and Traditional, the primary factors are:
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What
will your tax rate be when you retire?
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What is your tax rate right
now?
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