Assume these are the stock market and Treasury bill retums for a 5 -year period: Required: a. What was the risk premium on common stock in each year? b. What was the average risk premium? c. What was the standard deviation of the risk premlum? (Ignore that the estimation is from a sample of data.) Complete this question by entering your answers in the tabs below. What was the risk premium on common stock in each year? should be entered with a rodiate calculations. Enter your answers as a percent rounded to 2 decimal places, Negative values should be entered with a negative sign. Complete this question by entering your answers in the tabs below. What was the risk premium on common stock in each year? Note: Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Negative values should be entered with a negative sign. a. What was the risk premium on common stock. in each year? b. What was the average risk premium? c. What was the standard deviation of the risk premium? (Ignore that the estimation is from a sample of data.) Complete this question by entering your answers in the tabs below. What was the average risk premium? Note: Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places. a. What was the risk premium on common stock in each year? b. What was the average risk premium? c. What was the standard deviation of the risk premium? (Ignore that the estimation is from a sample of data) Complete this question by entering your answers in the tabs below. What was the standard deviation of the risk premium? (Ignore that the estimation is from a sample of data.) Note: Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places