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 (30%) (15) Weak Below average Average Above average Strong a. Calculate the stock's expected return. Round your answer to two decimal places. b. Calculate the stock's standard deviation. Do not round intermediate calculations. Round your answer to two decimal places. c. Calculate the stock's coefficient of variation. Round your answer to two decimal places