Within the context of the capital asset pricing model $($CAPM$)$ assume

Expected return on the market $=15\%.$

Risk$-$free rate $=8\%.$

Expected rate of return on XYZ security $=17\%.$

Beta of XYZ security $1\mathrm{.}25.$

Which one of the following is correct?

a$.xYZ\text{'}$s alpha is $25\%$

b$.$ XYZ$\text{'}$s alpha is $-25\%$

c$.xYZ$ is fairly priced.

d$.$ XYZ is overpriced.