a) Suppose the risk-free rate is 4.4% and the market portfolio has an expected return of 10.9%. The market portfolio has variance of 0.0391. Portfolio Z has a correlation coefficient with the market of 0.31 and a variance of 0.3407. According to the capital asset pricing model, what is the beta of Portfolio Z? What is the expected return on Portfolio Z? b) Suppose Portfolio X has beta of 1 with expected return of 11.5%. Draw the SML and comment on whether it is correctly priced. If not, how will the future price change according to the CAPM?