Assume the spot rate for the British pound currently is $\mathrm{.}6369$ per $$1.$ Also assume the one$-$year forward rate is $\mathrm{.}6421$ per $$1.$ A risk$-$free asset in the U$.$S$.$ is currently earning $3\mathrm{.}2$ percent. If interest rate parity holds, what rate can you earn on a one$-$year risk$-$free British security?

A$.4\mathrm{.}18$ percent

B$.3\mathrm{.}67$ percent

C$.4\mathrm{.}04$ percent

D$.4\mathrm{.}92$ percent