State of Economy Boom Good Poor Bust Rate of Return if State Occurs Probability of State of Economy Stock A Stock B Stock c .25 .18 .37 .27 .15 .13 .14 .15 .40 -.01 -.11 -.04 .20 -.19 -.16 -.13 a. Your portfolio is invested 40 percent each in Stocks A and C and 20 percent in Stock 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 %