A portfolio has three stocks: 100 shares of Yahoo (YHOO), 220 shares of General Motors (GM), and 90 shares of Standard and Poor's Index Fund (SPY). If the price of YHOO is $20, the price of GM is $20, and the price of SPY is $130, the portfolio weight of YHOO and GM is. 10.50% and 21.90% 7.70% and 23.10% 8.30% and 12.20% 11% and 24.30% Your retirement portfolio comprises 200 shares of the S&P 500 fund (SPY) and 100 shares of iShares Barclays Aggregate Bond Fund (AGG). The price of SPY is $131 and that of AGG is $106. If you expect the return on SPY to be 6% in the next year and the return on AGG to be 4%, the return expected on your retirement portfolio is: 4.88% None of the above 5.42% 5.70% Consider the information in the following table. Based on this data, the excess return for the portfolio of small stocks is: Investment Smalls stocks S&P500 Corporate bonds Treasury bonds Treasury bills Average return 23.90% 13.20% 7.20% 6.00% 4.50% 16.70% 17.90% 19.40% 16.50%