Consider the following information: Rate of Return If State Occurs Stock A Stock B State of Probability of State of Economy Economy Recession Normal .55 Boom .27 18 .07 .10 .15 - .18 .11 .28 a. Calculate the expected return for Stocks A and B. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) b. Calculate the standard deviation for Stocks A and B. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) % a. Stock A expected return Stock B expected return b. Stock A standard deviation Stock B standard deviation % %