You know the following about Stock i:

$r_{RF}=\mathrm{.}0345,{}_{i,M}=\mathrm{.}04608,r_M=\mathrm{.}1045,{}_M^2=\mathrm{.}0576$

The beta for stock $i$ is:

A$.\mathrm{.}33$

B$.\mathrm{.}44$

C$.80$

D$.1\mathrm{.}25$

E$.1\mathrm{.}34$

F$.1\mathrm{.}80$