Stockbridge Sprockets$$ stock has a Beta of $2.$ The $5-$year trailing return of the S&P $500$ Index is $6\mathrm{.}0\%,$ and the Treasury Bill yield is $2\mathrm{.}0\%.$ What is the required rate of return of Stockbridge Sprockets$$ stock?

Multiple Choice

$13\%$

$14\%$

$10\%$

$15\%$

$11\%$