You are given the following data on several stocks: State of the Economy Boom Expansion Recession Probability 25% 50% 25% Stock A 40% 12% -20% Stock Returns Stock B 24% 10% -12% Stock C -20% 12% 40% Required: a. Calculate the expected return and standard deviation for each stock. b. Calculate the expected return for a portfolio invested equally in Stock A and Stock C. c. Suppose you decide to invest $10,000 in Stock A and $30,000 in Stock C. If the beta of Stock A and Stock C is 1.5 and 2.1, respectively. What is the beta of this portfolio?