If your after$-$tax expected real interest rate is $3$ percent and your expected inflation rate is $2$ percent, what was the nominal interest rate on your one$-$year bond if you faced a tax rate of $20$ percent?

Select one:

a$.5\mathrm{.}0$ percent

b$.5\mathrm{.}75$ percent

c$.6\mathrm{.}0$ percent

d$.6\mathrm{.}25$ percent