Suppose we have the following returns for large-company stocks and Treasury bills over a six year period: Year Large Company US Treasury Bill 1 3.96 4.50 2 14.12 4.88 3 19.01 3.80 4 14.67 6.96 5 32.16 4.88 6 37.26 6.14 a. Calculate the arithmetic average returns for large-company stocks and T-bills over this period. (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Average returns Large company stocks 4.59 % T-bills 5.19 % b. Calculate the standard deviation of the returns for large-company stocks and T-bills over this period. (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Standard deviation Large company stocks 24.85 % T-bills 1.15 % 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? (Negative amount should be indicated by a minus sign. Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Average risk premium % 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. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Standard deviation 24.76 % I cant find c1 well a is 4.59 and 5.19 B is 24.85 and 1.15 and c2 is 24.76 I need help with c1