Suppose the beta of Amazon is $2\mathrm{.}2,$ the risk$-$free rate is $5\mathrm{.}5$ percent, and the market risk premium is $8$ percent. Calculate the expected rate of return for Amazon $($under CAPM$).$

$15\mathrm{.}8$ percent

$,$ Not Selected

$14\mathrm{.}3$ percent

$,$ Not Selected

$35\mathrm{.}2$ percent

$,$ Not Selected

Correct answer:

$23\mathrm{.}1$ percent