You put money in an account and earn a real interest rate of 10 percent. Inflation is 4 percent, and your marginal tax rate is 40 percent. What is your after-tax real interest rate?
A) 1.8 percent
B) 2.4 percent
C) 3.2 percent
D) 4.4 percent

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The Answer of You put money in an account and earn a real interest rate of 10 percent. Inflation is 4 percent, and your marginal tax rate is 40 percent. What is your after-tax real interest rate?
A) 1.8 percent
B) 2.4 percent
C) 3.2 percent
D) 4.4 percent

You Put Money in an Account and Earn a Real