Suppose Intel stock has a beta of 1.6, whereas Boeing stock has a beta of 1. If the risk-free interest rate is 4% and the expected return of the market portfolio is 10%, according to the CAPM,

1. What is the expected return of Intel stock?
2. What is the expected return of Boeing stock?
3. What is the beta of a portfolio that consists of 60% Intel stock and 40% Boeing stock?
4. What is the expected return of a portfolio that consists of 60% Intel stock and 40% Boeing stock? (Show both ways to solve this.)