A stock has a beta of $1$:$2,$ the expected return on the market is $17$ percent, and the

risk$-$free rate is $8$ percent. What must the expected return on this stock be according

to the CAPM theory?

$($a$)10$:$8\%$

$($b$)12$:$8\%$

$($c$)16$:$8\%$

$($d$)18$:$8\%$