Consider the following information: Rate of Return if State Occurs Probability of State - State of Economy of Economy Stock A Stock B Stock C Boom .60 .09 18 36 Bust .40 15 .07 -.05 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.) b. What is the variance of a portfolio invested 15 percent each in A and B and 70 percent in C? (Do not round intermediate calculations and round your answer to 6 decimal places, e.g., .161616.) a. Expected return 15.68 % b. Variance 0.218810