Annual and Average Returns for Stocks, Bonds, and TBills, 1950 to 2017 You have a portfolio with an asset atlocation of 52 percent stocks, 40 percent long term Treasury bonds, and 8 percent T-bilis. Use these weights and the returns given in the above table to compute the retum 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 colculations. Round your onswers to 2 decimal places.)