b) Consider the following information: Rate of Return if State Occurs State of Economy Probability of State of Economy Stock A Stock B Stock C Boom 0.65 0.07 0.15 0.33 Bust 0.35 0.13 0.03 0.06 a) What is the expected return on an equally weighted portfolio of these three stocks? b) What is the variance of a portfolio invested 15% each in A and B and 70% in C