59 ces State of Economy Boom Good Poor Bust Probability of State of Economy a. .20 .45 .25 .10 Rate of Return if State Occurs Stock A Stock B Stock C .35 .45 25 .20 16 -.02 =.16 -.05 -.20 .09 -.03 -.12 Your portfolio is invested 24 percent each in A and C, and 52 percent in B. What is the expected return of the portfolio? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b-1. What is the variance of this portfolio? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., .16161.) b-2. What is the standard deviation? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)