Loretta buys a one-year debt security on December 31, 2013, for $10,000, which will
pay her a nominal interest rate of 5% percent. From December 31, 2013, to December
31, 2014, the inflation rate is 2 percent. Loretta has a tax rate of 40 percent.
a. How much nominal interest (in dollars) does Loretta earn during the year? Show your
calculations.
b. How much (in dollars) does Loretta pay in taxes on her interest income? Show your
calculations.
c. How much (in dollars) is Loretta’s after-tax nominal income? Show your
calculations. d. How much principal (in dollars) does Loretta lose because of inflation?
Show your calculations.
e. How much real interest income (in dollars) does Loretta earn? Show your
calculations.
f. How much (in dollars) is
Loretta’s after-tax real interest income? Show your calculations.
What percent of Loretta’s nominal interest income goes to: (1) her, in the form of after
tax
g. real interest income; (2) the government, in the form of taxes; and (3) inflation, in the
form of lost principal value? Show your calculations.
Answer: