Stock X has an expected return of 15%, standard deviation of 20%, beta of 0.8. Stock Y has an expected return of 20%, a standard deviation of 40% and a beta of 0.3, and a correlation with stock X of 0.6. Assume the CAPM holds. a. If you are a typical, risk-averse investor with a well-diversified portfolio, which stock would you prefer? b. What are the expected return and standard deviation of a portfolio consisting of 30% of stock X and 70% of stock Y? d. What is the beta of the portfolio in (b)