Problem 13-10 Returns and Standard Deviations [LO1] Consider the following information: State of Economy Probability of State of Economy Rate of Return if State Occurs Stock A Stock B Stock C Boom .15 .32 .42 .33 Good .45 .19 .13 .12 Poor .30 .05 .08 .06 Bust .10 .16 .28 .09 a. Your portfolio is invested 30 percent each in A and C, and 40 percent in B. What is the expected return of the portfolio? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b-1. What is the variance of this portfolio? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., .16161.) b-2. What is the standard deviation? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)