Book A stock's returns have the following distribution: Problem Walk-Through Demand for the Company's Products Weak Below average Average Above average Strong Probability of this Demand Occurring 0.1 Rate of Return if this Demand Occurs (48%) 0.1 0.3 0.3 02 1.0 Assume the risk-free rate is 2%. 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 ratia: 14 21 47