Using the following information, calculate the expected return and the standard deviation of Pearl. (Round intermediate calculations to 4 decimal places, e.g. 15.2564 and the final answers to 2 decimal places, e.g. 15.25%.) State of the economy Pearl stock return (%) Probability Depression 0.20 -4.5 Recession 0.25 1.0 Normal 0.40 5.5 Boom 0.15 17.5 Expected return % Standard deviation %