Problem 11-9 Returns and Standard Deviations (LO2, CFA5) Consider the following information: State of Economy Boon Good Poor Bust Rate of Return if State Occurs Probability of State of Economy Stock A Stock B Stock C 0.22 0.20 0.33 0.29 0.30 0.15 0.12 0.13 0.20 0.01 -0.09 -0.06 0.30 -0.21 0.26 -0.13 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. Enter your answer as a percent rounded to 2 decimal places.) Expected return b-1. What is the variance of this portfolio? (Do not round intermediate calculations. Round your answer to 5 decimal places.) Variance b-2. What is the standard deviation? (Do not round Intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Standard deviation