Consider the following information: State of Probability of State Rate of Return if State Occurs Economy of Economy Stock A Stock B Stock C Boom .70 .08 .02 .28 Bust .30 .17 .23 – .08 a. What is the expected return on an equally weighted portfolio of these three stocks? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Expected return % b. What is the variance of a portfolio invested 25 percent each in A and B and 50 percent in C? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., 32.16161.) Variance of a portfolio.