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Suppose we have the following returns for large-company stocks and Treasury bills over a six-year period: 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 T-bills over this period. (Do not round intermediate calculations and enter your answers os a percent rounded to 2 decimal ploces, e.9., 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 onswer should be indicated by o minus sign. Do not round intermediate colculations and enter your onswer os a percent rounded to 2 decimal places. e.9., 32.16.) c-2. Calculote the observed risk premlum in each yeor for the large-company stocks versus the T-bills. Whot wos the standard deviation of the risk premium over this period? (Do not round intermediate calculations and enter your answer as a nercent raurded to 2 decimal oloces e a. 32.16.l Suppose we have the following returns for large-company stocks and Treasury bills over a six-year period: 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 T-bills over this period. (Do not round intermediate calculations and enter your answers os a percent rounded to 2 decimal ploces, e.9., 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 onswer should be indicated by o minus sign. Do not round intermediate colculations and enter your onswer os a percent rounded to 2 decimal places. e.9., 32.16.) c-2. Calculote the observed risk premlum in each yeor for the large-company stocks versus the T-bills. Whot wos the standard deviation of the risk premium over this period? (Do not round intermediate calculations and enter your answer as a nercent raurded to 2 decimal oloces e a. 32.16.l