following table: Year T-bill return Inflation 1973 7.29% 8.71% 1974 7.99 12.34 1975 5.87 6.94 1976 5.07 4.86 1977 5.45 6.70 1978 7.64 9.02 1979 10.56 13.29 1980 12.10 12.52 A. Requirement 1: Calculate the average return for Treasury bills and the average annual inflation rate (consumer price index) for this period. (Do not include the percent signs (%). Round your answers to 2 decimal places. (e.g., 32.16)) Average Treasury bill return ??? percent Average inflation ???? percent B. Requirement 2: Calculate the standard deviation of Treasury bill returns and inflation over this period. (Do not include the percent signs (%). Round your answers to 2 decimal places. (e.g., 32.16)) Standard deviation T-bills ??? percent Inflation ??? percent C. Requirement 3: Calculate the average real return for Treasury bills over this period.(Do not include the percent sign (%). Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places. (e.g., 32.16)) Average real return ??? percent