7. Stock X has a beta of 1.48 and stock y has a beta of 0.76. Assume the risk-free rate is 2.20% and the expected return on the market portfolio is 10.60%. Over the past ten years, stock X has had an average return of 12.25%, with a standard deviation of 44%, and stock y has had an average return of 9.14%, with a standard deviation of 33%. a. What is the expected return on stock X? b. What would be the beta and expected return of a portfolio in which the investment in stock Y is twice as much as the investment in stock X? c. What would be the portfolio weights necessary to achieve a portfolio beta of 1.25? d. What is the abnormal return on stock X and on stock Y? e. Compute the Sharpe and Treynor ratios for stock X. f. Compute the Sharpe and Treynor ratios for stock Y