Expected return a stock’s returns have the following distribution: demand for the company’s products probability of this demand occurring rate of return if this demand occurs weak 0.1 (30%) below average 0.1 (14) average 0.3 11 above average 0.3 20 strong 0.2 45 1.0 assume the risk-free rate is 2%. calculate the stock’s expected return, standard deviation, coefficient of variation, and sharpe ratio.