EXPECTED RETURN A stock's returns have the following distribution: Demand for the Probability of this Rate of Return If Company's Products Demand Occurring This Demand Occurs Weak 0.2 (28%) Below average 0.1 (5) Average Above average 0.1 Strong 0.3 13 26 0.3 67 1.0 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