Question: White Company stock has a beta of 1.5 & a required return of 15 percent, while Black Company stock has a beta of 1.0 & a required return of 12 percent. The standard deviation of returns for White Company is 10 percent more than the standard deviation for Black Company. Calculate the expected return on the market portfolio according to the CAPM.
[A] 12%
[B] 13%
[C] 10%
[D] 11%