Consider the following information on Stocks I and II: State of Economy Probability of State of Economy Rate of Return if State Occurs Stock I Stock II Recession .23 .025 .33 Normal .58 .335 .25 Irrational exuberance .19 .195 .43 The market risk premium is 11.3 percent, and the risk-free rate is 4.3 percent. a. Calculate the beta and standard deviation of Stock I. (Do not round intermediate calculations. Enter the standard deviation as a percent and round both answers to 2 decimal places, e.g., 32.16.) b. Calculate the beta and standard deviation of Stock II. (Do not round intermediate calculations. Enter the standard deviation as a percent and round both answers to 2 decimal places, e.g., 32.16.)