Question 3 Your employer has asked you to investigate the firm's portfolio risk and return. The portfolio comprises three stocks. It is invested 50 percent in stock A, 30 percent in stock B and 20 percent in stock C. You gathered the following information: TABLE 1. Fimm Portfolio Data - Expected retums on component stocks (%) in function of the state of the economy State of the Probability of State of Rite of Return () for cach State of the Economy Fconomy the Economy Stock A Stock B Stock C Good 60.00% 3.00% 34.00% 70.00% Poor 40.00% 15.00% -12.00% -35.00% Determine what is the portfolio's expected return. (8 marks) (b) Determine the portfolio's variance and standard deviation. (8 marks) (c) Assume that the expected risk-free rate is 2.75 percent. Determine the expected risk premium on the portfolio. (4 marks)