A) What expected return should an investor expect from investments in common stock? You are given the following information: Risk free rate of return = 4%; market risk premium = 11%; Beta of the stock (assume CAPM holds) = 0.72.

B) Stock A with beta of 0.8 offers a 11% return while stock B with a beta of 1.2 offers a 15% return. What is the risk-free rate? What is the common market return? Assume CAPM holds.