A project's cash flows are expressed in nominal dollars. The required real rate is $2\mathrm{.}15$ percent. The expected inflation rate is $5\mathrm{.}24$ percent. What is the appropriate discount rate for discounting the project's nominal cash flows? $($Hint: Don't forget the cross$-$product term$).$

A$.8\mathrm{.}85$ percent

B$.6\mathrm{.}15$ percent

C$.7\mathrm{.}50$ percent

D$.7\mathrm{.}39$ percent

E$.8\mathrm{.}59$ percent