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 0.40 0.18 0.40 0.29 Good 0.25 0.15 0.22 0.11 Poor 0.30 0.01 0.09 0.06 Bust 0.05 0.07 0.24 0.09

a. Your portfolio is invested 20 percent each in A and C and 60 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.)