1. Observe the following historical (ex-post) returns of HUL, SAIL and Nifty: Returns (HUL Returns (SAIL Returns Year Stock) Stock) (Nifty) 1 30.00 26.00 35.00 2 19.00 13.00 20.00 3 30.00 48.00 32.00 4 35.00 -11.00 35.00 5 31.00 50.00 40.00 Compute average returns, standard deviations (risks), Coefficient of Variation, Covariance of the stocks with market and Betas of both the stocks.