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 0.2 (22%) Below average 0.1 (7) Average 0.5 15 Above average 0.1 40 Strong 0.1 68 Assume the risk-free rate is 3%. 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: