Help computing these answers for both questions

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You have a portfolio with an asset allocation of 50 percent stocks, 34 percent long-term ireasury bonds, and 16 percent T-bills. Use these weights and the returns given in the above table to compute the return of the portfolio in the year 2010 and each year since. Then compute the average annual return and standard deviation of the portfolio. (Do not round intermediate calculations. Round your answers to 2 decimal places.) You have a portfolio with an asset allocation of 50 percent stocks, 34 percent long-term Treasury bonds, and 16 percent T-bills. Use these weights and the returns given in the above table to compute the return of the portfolio in the year 2010 and each year since. Then compute the average annual return and standard deviation of the portfolio. (Do not round intermediate calculations. Round your answers to 2 decimal places.) The following table shows your stock positions at the beginning of the year, the dividends that each stock paid during the year, and the stock prices at the end of the year. What is your portfolio dollar return and percentage return? (Round your answers to 2 decimal places.)