2. You are comparing stock A to stock B. Given the following information, the difference between the expected return of stock A and Stock B is (3)______. The difference between the variance of stock A and stock B is (In percentage, two decimal places). If you have to invest in one stock, you should invest in choose A or B). (4)_ (5)_ State of Economy Boom Normal Probability of State of Economy 70% 30% Return if State Occurs Stock A Stock B 15% 9% -10% 4%