Using the following information, calculate the expected return and the standard deviation of Waterway. (Round intermediate calculations to 4 decimal places, e.g. 15.2564 and the final answers to 2 decimal places, e.g. 15.25%.) Waterway stock return (%) Probability State of the economy Depression Recession Normal 0.10 -4.9 0.15 1.0 0.40 5.9 Boom 0.35 17.9 Expected return % Standard deviation %