A portfolio has three stocks - 250 shares of Yahoo (YHOO) 100 shares of General Motors (GM), and 30 shares of Standard and Poor's Bodex Fund (SPV), the price of YHOO is $30, the price of GM is $30, and the price of SPY is $130, calculate the portfolio weight of YHOO and GM. st O A 15.6%, 12.5% OB. 28.6%, 38.5% OC. 52.1%, 20 8% OD. 49.5%, 21.9%