The expected return on HiLo stock is $16\mathrm{.}87$ percent while the expected return on the market is $13\mathrm{.}4$ percent. The beta of HiLo is $1\mathrm{.}39.$ What is the risk$-$free rate of return?

A$.9\mathrm{.}04\%$

B$.10\mathrm{.}43\%$

C$.1\mathrm{.}70\%$

D$.4\mathrm{.}51\%$

E$.2\mathrm{.}52\%$