Suppose we have the following returns for large-company stocks and Treasury bills over a six-year period: Year 1 2 3 Large Company US Treasury Bill 4.00% 4.62% 14.49 4.96 19.33 3.88 -14.35 7.00 -31.84 5.38 37.04 6.43 5 a. Calculate the arithmetic average returns for large-company stocks and T-bills over this period. (Do not round Intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) b. Calculate the standard deviation of the returns for large-company stocks and T-bills over this period. (Do not round Intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g. 32.16.) c.1. Calculate the observed risk premium in each year for the large company stocks versus the T-bills. What was the average risk premium over this period? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) c-2. Calculate the observed risk premium in each year for the large company stocks versus the T-bills. What was the standard deviation of the risk premium over this period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a. Calculate the arithmetic average returns for large-company stocks and T-bills over this period. (Do not round Intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) b. Calculate the standard deviation of the returns for large-company stocks and T-bills over this period. (Do not round Intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) C-1. Calculate the observed risk premium in each year for the large-company stocks versus the T-bills. What was the average risk premium over this period? (A negative answer should be indicated by a minus sign. Do not round Intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) c-2. Calculate the observed risk premium in each year for the large-company stocks versus the T-bills. What was the standard deviation of the risk premium over this period? (Do not round Intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) es % % % Large-company stocks T-bills b. Large-company stocks T-bills C-1. Average risk premium c-2. Standard deviation % % %