The risk$-$free rate is $3\mathrm{.}4$ percent and the market return is $11\mathrm{.}9$ percent. What is the required return of Blackbird, Cos. stock if the stock has a beta of $1\mathrm{.}0?$

Multiple Choice

$17\mathrm{.}56\%$

$15\mathrm{.}54\%$

$12\mathrm{.}01\%$

$11\mathrm{.}90\%$