Suppose intei stock has a beta of 0.84 , whereas Boeing stock has a beta of 1.29 . If the risk-free intervat rate is 5.6% and the expected return of the market portolio is 12.8%. according to the CAPM. a. What is the expected retum of insel stock? b. What is the expected return of Boeng stock? c. What is the beta of a portfolio that consists of 70 intel uock and 30% Boeing sock? d. What is the expected return of a portfolo that consists of 70% intel stock and 30% Boeing stock? (There are two ways to solve this)