Assume that the returns to Stock 1 and Stock 2 are related to the price of oil. The following chart shows the returns to the stocks that are expected to take place next year based on the price of oil: Price of Oil ($/barrel) Above $100 $90 to $100 Under $90 Probability 0.5 0.2 0.3 Return to Stock 1 -10% -4% 9% a) What is the expected return to each stock? b) What is the variance of the returns to each stock? Return to Stock 2 15% 10% 5% c) What is the standard deviation of the returns to each stock? d) For a portfolio consisting of 30% in Stock 1 and 70% in Stock 2, what are the expected return, variance and standard deviation of the returns to the portfolio?