A stock has a beta of $1\mathrm{.}8,$ the expected return on the market is $9$ percent, and the riskfree rate is $3\mathrm{.}15$ percent. What must the expected return on this stock be$?$

Multiple Choice

$13\%$

$13\mathrm{.}68\%$

$14\mathrm{.}36\%$

$14\mathrm{.}23\%$

$19\mathrm{.}35\%$