If the risk$-$free asset offers an expected return of $6\%$ and the overall market offers an expected return of $18\%,$ what would be the required returns of the two stocks below? Round to one decimal place.

A stock with a beta of $0\mathrm{.}5$

A stock with a beta of $0\mathrm{.}9$

$=\%$

$=\%$