5. You are evaluating the performance of two portfolio managers and you have gathered annual return data for the past decade Year Manager X Return (%) Manager Y Retum (%) 1 -1.5 6.5 -3.5 -1.5 -1.5 3 -1.5 4 -1.0 3.5 5 4.5 6 6.5 7 4.5 6.5 8.5 7.5 8.5 8 13.5 12.5 13.5 17.5 a. For each manager, calculate: (1) the average annual return, (ii) the standard deviation of returns, and (ii) the semi-deviation of returns. b. Assurning that the average annual risk-free rate during the 10-year sample period wa 1.5%, calculate the Sharpe ratio for each portfolio Based on these compu- tations, which manager appears to have performed the best? Acuvate Window Go to Settings to activ