Suppose Intel stock has a beta of 1.7, whereas Boeing stock has a beta of 0.91. If the risk-free interest rate is 5.9% and the expected return of the market portfolio is 12.5%, 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 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?