10.00 points Consider the following table for a period of sic years. Returnis U.S. Treasury Bills Large-Company -14.69% 1974 1975 1976 1977 1978 -26.47 37.23 23,93 - 7.16 6.57 7.99 5.87 5.07 5.45 7.64 Requirement 1: Calculate the arithmetic average returns for large-company stocks and T-bills over this time period. (Do not round intermediate calculations. decimal places (e.g., 32.16).) Enter your answers as a percentage rounded to 2 returns Large company stock T-bills Requirement 2: Calculate the (Do not round intermediate calculations. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).) large-company stocks and T-bills over this time period Large company stock T-bills 784 Calculate the arithmetic average returns for large-company stocks and T-bills over this time period. (Do not decimal places (e.g., 32.16).) te calculations. Enter your answers as a percentage rounded to 2 ums Large company stock Requirement 2 Calculate the standard deviation of the returns for large-company stocks and T-bills over this time (Do not round intermediate calculations. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).) Large company stock T-bills Requirement 3: Calculate the observed risk premium in each year for the large-company stocks versus the T-bills (a) What was the arithmetic 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 percentage rounded to 2 decimal places (e.g., 32.16).) What was the standard deviation of the risk premium over this period? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g. 32.16).) (b) Risk premium standard deviation