Consider the following information: Rate of Return if State Occurs State of Economy Probability of State of Economy Stock A Stock B Stock C Boom 0.30 0.23 0.31 0.30 Good 0.15 0.16 0.11 0.12 Poor 0.30 0.02 0.08 0.07 Bust 0.25 0.22 0.24 0.13 a. Your portfolio is invested 25 percent each in A and C and 50 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.) b-1. What is the variance of this portfolio? (Do not round intermediate calculations. Round your answer to 5 decimal places.) b-2. What is the standard deviation? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)