A stock has an expected return of $12$ percent, its beta is $1\mathrm{.}3,$ and the expected return on the market is $10$ percent. What must the risk$-$free rate be$?$

Multiple Choice

$3\mathrm{.}17\%$

$3\mathrm{.}50\%$

$3\mathrm{.}33\%$

$3\mathrm{.}47\%$

$-1\mathrm{.}00\%$