Consider the following information: State of Rate of Return If State Occurs Probability of - Economy omy State of Economy Stock A Stock B Recession 20 .08 Normal - 15 Boom 30 .50 .16 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 retum Stock A standard deviation Stock B standard deviation b