$(11)$ Let the risk$-$free rate of return $=1\%$ and the required return on the market as a whole $=10\%.$ A stockwith a Beta $=1\mathrm{.}1$ will have a required rate of return $=($a$)10\mathrm{.}00\%($b$)10\mathrm{.}90\%($c$)11\mathrm{.}00\%($d$)11\mathrm{.}10\%($e$)$ you need more information to determine the required rate of return