Q$2(4$ pts$)$ What is the one$-$year forward risk$-$free rate starting two years from now $($i$.$e$.,2$ f$1)?$

A$.4\mathrm{.}2\%$

B$.4\mathrm{.}4\%$

C$.4\mathrm{.}6\%$

D$.4\mathrm{.}8\%$

E$.5\mathrm{.}0\%$