Suppose Intel stock has a beta of 1.5, whereas Boeing stock has a beta of 1.2. If the risk-free interest rate is 4% and the market risk premium is 6%, according to the CAPM, a. What is the expected return of Intel stock? b. What is the expected return of Boeing stock? c. What is the beta of a portfolio that consists of 60% Intel stock and 40% Boeing stock? d. What is the expected return of a portfolio that consists of 60% Intel stock and 40% Boeing stock?