A stock's returns have the following distri Formula Approach Demand for the Probability of this Rate of Return If Company's Products Demand Occurring This Demand Occurs Weak 0.1 (40%) Below average 0.2 (12) Average 0.3 12 Above average 0.3 38 Strong 0.1 61 1.0 Assume the risk-free rate is 4%. Calculate the stock's expected return, standard deviation, coefficient of variation, and Sharpe ratio. Do not round intermediate calculations. Round your answers to two decimal places. Stock's expected return: % Standard deviation: % Coefficient of variation: Sharpe ratio