Consider the following information: State of Economy Boom Bust Probability of State of Economy 0.66 0.34 Rate of Return if State Occurs Stock A Stock B Stock C 0.09 0.15 0.33 0.05 0.15 0.07 a. What is the expected return on an equally weighted portfolio of these three stocks? b. What is the variance of a portfolio invested 30 percent each in A and B and 40 percent in C