Consider the following information: {:[" State of "],[" Economy "]:} {:[" Probability of "],[" State of Economy "]:} Rate of Return if State Occurs Stock A Stock B Stock C Boom 0.66 0.12 0.21 0.39 Bust 0.34 0.15 0.05 -0.11 a. What is the expected return on an equally weighted portfolio of these three stocks? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Expected return % b. What is the variance of a portfolio invested 25% each in A and B and 50% in C? (Do not round intermediate calculations. Round the final answer to 6 decimal places.) Variance