As a manager for an investment company, there are two shares that attract Marilyn to invest, share Bread talk and share The Loaf. The shares have the following probability distributions of expected returns: Probability 0.3 0.4 0.3 Expected rate of return Bread talk (%) The Loaf (%) 15 20 9 15 18 12 Compute the following for both shares. (a) Expected Return (4 marks) (b) Standard Deviation(4 marks) (c) Coefficient of variation (2 marks)