Consider the following information on two assets and three states of the economy:State of theeconomyProbability of state ofeconomyShare A rate ofreturn if state occursShare B rate ofreturn if state occursRecession 20% -0.15 20%Normal 50% 0.20 30%Boom 30% 0.60 40%Suppose Mr Dlamini has twenty thousand Namibian dollars to invest and decides to invest fifteenthousand Namibian dollars in share A and the remainder in share B. Required:a) Determine the expected returns of the two shares [4]b) Determine the variance and standard deviations of the two shares [10]c) Determine the coefficient of variation of the two shares [2]d) Determine the expected return of the portfolio [4]e) Determine the variance and standard deviation of the portfolio [5]