a) A portfolio manager summarises the input from forecasts in the following table: Financial Asset- Average returne Beta (Be Residual standard deviation o(8) Stock Ae 7.7% 0.8e 12% Stock Be 2.4% 0.40 7%e Stock Ce 10.8% 1.2 15%e The average market return is 5%, and the risk-free rate is 1%. The standard deviation of market return is 12%. All variables are provided on an annualised basis. You are asked to perform the following tasks: (0) Calculate the values of alpha and beta and that of the residual variance for the active portfolio. a) A portfolio manager summarises the input from forecasts in the following table: Financial Asset- Average returne Beta (Be Residual standard deviation o(8) Stock Ae 7.7% 0.8e 12% Stock Be 2.4% 0.40 7%e Stock Ce 10.8% 1.2 15%e The average market return is 5%, and the risk-free rate is 1%. The standard deviation of market return is 12%. All variables are provided on an annualised basis. You are asked to perform the following tasks: (0) Calculate the values of alpha and beta and that of the residual variance for the active portfolio