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 0.1 -22% Below average 0.3 -14 Average 0.3 13 Above average 0.2 34 Strong 0.1 62 1.0 Calculate the stock's expected return. Round your answer to two decimal places. % Calculate the stock's standard deviation. Round your answer to two decimal places. % Calculate the stock's coefficient of variation. Round your answer to two decimal places.