Problem 8-1 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 Weak 0.2 -46% Below average 0.1 -10 Average 0.5 17 Above average 0.1 38 Strong 0.1 73 1.0 Calculate the stock's expected return. Round your answer to two decimal places. % Calculate the stock's standard deviation. Do not round intermediate calculations. Round your answer to two decimal places. % Calculate the stock's coefficient of variation. Round your answer to two decimal places.