Consider the following information: State of Economy Boom Good Poor Bust Rate of Return if State Occurs Probability of State of Economy Stock A Stock B Stock C .35 .21 .42 .30 . 20 .14 21 .12 .30 .02 .09 -.05 .15 -.06 -.26 -.09 a. Your portfolio is invested 25 percent each in Stocks A and Cand 50 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