O A stock's expected return has the following distribution: Rate of Return Demand of the Probability of this If this Demand Company's Products Demand Occuring Occurs Weak 0.2 (50%) Below average 0.2 (15) Average 0.1 9 Above average 0.3 20 Strong 0.2 60 Calculate the stock's expected return. Do not round intermediate calculations. Round your andwer 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. Do not round Intermediate calculations. Round your answer to two decimal places. Che