A stock's returns have the following distribution: Na Demand for the Company's Products Weak Probability of This Rate of Return If Demand Occurring This Demand Occurs 0.1 (22%) 0.1 (13) 0.4 To Below average Average Above average Strong 0.3 0.1 50 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