Show all work computing to four decimal places. Set your calculator at 4 (four) decimal places (how? Texas Instrument BA II PLUS: 12ND] FORMAT 4 [ENTER]). Suppose you have invested only in two stocks, A and B. You expect that returns on the stocks depend on the following three states of economy, which are equally likely to happen. Return on Stock B State of the Economy Recession Return on Stock A -6.0% 6.0% 27.0% 3.0% Normal 6.0% Boom 9.0% Q. 1: Calculate the expected return of each stock. Q. 2: Calculate the variance of each stock. Q. 3: Calculate the standard deviation of each stock. Calculate the coefficient of variation of each stock. Which stock is riskier? Why? Q. 4