3. The following table gives returns in four possible states of the world for two assets, a bond index and a stock index: Likelihood (Probability) 0.10 0.15 0.50 0.25 Stock Index Return 25% 10% 10% 40% Bond Index Return 5% 10% 5% 4% State sion Recession Normal Boom A. Calculate the expected returns for the stock and bond in this setting. B. Calculate the variance and standard deviations for the stock and bond returns in this setting