7. Rate of Return if State Occurs State of Probability of State of Economy Economy Stock A Stock B Eecess'c' 0.25 0.03 0.15 Normal 0.55 0.13 0.13 Boom 0.20 0.16 0.33 a. Calculate the expected return for the two stocks. (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) ia Illl b. Calculate the standard deviation for the two stocks. (Do not round your intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Standard deviation forA Standard deviation for B