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 .20 .19 .38 .28 .25 .23 . 10 .00 -.09 -.05 .45 -.08 -. 22 -.10 .16 .10 a. Your portfolio is invested 25 percent each in Stocks A and C and 50 percent in Stock B. What is the expec 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 %