find a-c2 for me please

4. Suppose we have the following returns for large-company stocks and Treasury bills over a six-year period: Year 1 20 points 2 3 4 5 6 Large Company US Treasury Bill 3.99% 4.59% 14.16 4.94 19.25 3.86 - 14.43 6.99 -31.92 5.30 37.49 6.20 eBook Hint References 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 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.) 0-1. 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. % % Large-company stocks T-bills b. Large-company stocks T-bills c-1. Average risk premium c-2. Standard deviation % % % %