Suppose Intel stock has a beta of 0.81, whereas Boeing stock has a beta of 1.24. If the risk-free interest rate is 6.4% and the expected return of the market portfolio is 10.5%, 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 70% Intel stock and 30% Boeing stock? d. What is the expected return of a portfolio that consists of 70% Intel stock and 30% Boeing stock? (There are two ways to solve this.)