Stock a Has an Expected Return of 12%, a Beta

Multiple Choice

Stock A has an expected return of 12%, a beta of 1.2, and a standard deviation of 20%. Stock B also has a beta of 1.2, an expected return of 10%, and a standard deviation of 15%. Portfolio AB has $900,000 invested in Stock A and $300,000 invested in Stock B. The correlation between the two stocks' returns is zero (that is, rA,B = 0) . Which of the following statements is correct?

A) The stocks are not in equilibrium based on the CAPM; if A is valued correctly, then B is overvalued.
B) The stocks are not in equilibrium based on the CAPM; if A is valued correctly, then B is undervalued.
C) Portfolio AB's expected return is 11.0%.
D) Portfolio AB's beta is less than 1.2.