Answer the question and please show work.

Problem 11-7 Calculating Returns and Standard Deviations LO 1 Consider the following information Rate of Return if State Occurs State of Probability of State of Economy 21 61 Stock A 040 120 200 Stock B -31 Economy Recession Normal Boom Requirement 1: Calculate the expected return for the two stocks. (Do not round intermediate calculations. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).) ected return E(RA) E(RB) Requirement 2: Calculate the standard deviation for the two stocks. (Do not round intermediate calculations. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).) Standard deviation