Stock A$\text{'}$s stock has a beta of $1\mathrm{.}30,$ and its required return is $15\mathrm{.}25\%.$ Stock B$\text{'}$s beta is $0\mathrm{.}80.$ If the risk$-$free rate is $4\mathrm{.}75\%,$ what is the required rate of return on B$\text{'}$s stock? $($Hint: First find the market risk premium.$)$

a$.11\mathrm{.}18\%$

B$.11\mathrm{.}24\%$

C$.11\mathrm{.}21\%$

D$.11\mathrm{.}27\%$

E$.11\mathrm{.}30\%$