I need the answers for T-bills and equity

Refer the table below on the average risk premium of the S&P 500 over T-bills and the standard deviation of that risk premium. Suppose that the S&P 500 is your risky portfolio. Average Annual Returns S&P 500 S&P 500 Portfolio Risk Premium Standard Deviation 1-Month Sharpe Ratio Period Portfolio -ills 1926-2015 11.77 3.47 8.30 20.59 0.40 19922015 10.79 2.66 8.13 18.29 0.44 1970-1991 12.87 7.54 5.33 18.20 0.29 11.44 1948-1969 14.14 2.70 17.67 0.65 0.30 0.91 19261947 9.25 8.33 27.99 a. If your risk-aversion coefficient is A = 5.6 and you believe that the entire 1926-2015 period is representative of future expected performance, what fraction of your portfolio should be allocated to T-bills and what fraction to equity? Assume your utility function is U = El) 0.5 x Ao?. (Do not round intermediate calculations. Round your answers to 2 decimal places.) %3D T-bills Equity b. If your risk-aversion coefficient is A = 5.6 and you believe that the entire 1970-1991 period is representative of future expected performance, what fraction of your portfolio should be allocated to T-bills and what fraction to equity? (Do not round intermediate calculations. Round your answers to 2 decimal places.) T-bills Equity