In a well-diversified portfolio A. an individual security brings its systematic risk to the risk of the portfolio. B. an individual security brings its unsystematic risk to the risk of the portfolio. C. all risk is diversified away and the portfolio is risk free. D. an individual security brings its total risk to the risk of the portfolio Capital market history shows us that the correct ordering of the average arithmetic mean return for asset classes from lowest to highest is: A. U.S. Treasury Bills, long-term government bonds, small-company stocks, large-company stocks. B. Long term U.S. government bonds. U.S. Treasury Bills, small-company stocks, large-company stocks. OC.U.S. Treasury Bills, small-company stocks. large-company stocks, long-term government bonds. D.U.S. Treasury Bills, long-term government bonds, large-company stocks, small-company stocks. E. Long term U.S. government bonds, U.S. Treasury Bills, large-company stocks, small-company stocks