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) a. b. Calculate the standard deviation of the returns for large-company stocks and T-bill:s 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. Large company stocks T-bills Large company stocks T-bills b. -0.95 | c-1. Average risk premium c-2 Standard deviation U.S Treasury Bills Large- Company Stocks Long-Term Government Bonds Consumer Price Index Year 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 5.69% 6.58 1.15 4.39 4.47 2.15 8.51 1.92 7.59 4.20 5.13 1.44 4.21 3.84 5.70 1.12% 13.75% 35.70 45.08 8.80 25.13 -43.60 8.75 52.95 2.31 46.79 32.49 35.45 31.63 1.43 10.36 3.30% 3.15 2.26 1.16 58 6.40 9.32 10.27 .76 1.52 2.99 1.45 2.86 2.78 4.05 4.47 2.27 1.15 .88 .52 .27 .27 06 04 04 71 7 7 5247 533826 39 063997 5322 98 644775 2490 9233 812345 409973 939642 67 348 123 012345 79 19 79