Consider the following information: Rate of Return If State Occurs Probability of State of Economy State of Economy Stock A Stock B Stock C 20 38 48 28 Boom Good 50 14 19 12 Poor 20 05 08 06 Bust 10 19 23 09 a. Your portfolio is invested 22 percent each in A and C, and 56 percent in B. What is the expected return of the portfolio? (Do not round intermediate calculaitons. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Expected return 13.18 b-1 What is the variance of this portfolio? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., 32.16161.) Variance b-2 What is the standard deviation? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Standard deviation