please do not use excel

thanks

Portfolio Performance Measures Suppose that a portfolio has a beta of 1.15. Over the period of one year, the portfolio had a return of 12.4% with a standard deviation of 16.2%. If the T-bill return for the year was 1.2% and the return on the S&P500 was 10.2%, calculate the following performance measures for the portfolio a. Jensen's alpha b. Treynor's index c. Sharpe's index Check Answers: Jensen's a=0.85%, Treynor Index = 9.74, Sharpe Index = 0.69