4. Consider the following historical estimates. The risk-free rate is rp= 0.1. Mean Return Beta Standard Deviation Residual Standard Deviation Portfolio A 0.4 1.2 0.4 0.1 Market M 0.3 1 0.3 10 a. (40%) Calculate the Sharpe Ratio, Jensen' alpha, Treynor's measure and Information Ratio for Portfolio A. Does Portfolio A outperform market M? b. (30%) Calculate the MP measure for portfolio A. C. (30%) Explain how you can measure the market timing performance for a portfolio