Consolidated Industries has a required return of $17\mathrm{.}5$ percent. The return on the market is $9$ percent and the risk$-$free rate of return is $2$ percent. What is the beta of this stock?

$2\mathrm{.}21$

$2\mathrm{.}39$

$2\mathrm{.}04$

$2\mathrm{.}6$

$2\mathrm{.}48$