QUESTION 2 Table 1 and 2 below provide a summary of the performance indicators of three portfolios and the market, (25) respectively: fable 1: Residual standard deviation (94) | enianean t Portfolios Expected return (%) | Beta Manager A Manager B Manager C 20 18 17 1.3 1.8 0.7 58 71 21 Table 2: Standard deviation Market portfolio Expected return (%) 96) 30 16 FTSE Top 40 T-bills 2.1 Calculate the expected excess returns, alpha values and residual variances of these portfolios. 2.2 Calculate the Sharpe measure for the three portfolios and the market. Comment on the performances of (15) (10) (10) these portfolios relative to the market