A portfolio has an expected return of 12.5%. The portfolio consists of stock A with an expected return of 7% and stock B with a beta of 1.28. The risk -free rate of return is 3% and the market risk premium is 8%. What is the portfolio weight of Stock A?

A) 12%

B ) 22 %

C ) 24 %

D ) 30%

E) 36%