Your retirement portfolio comprises 300 shares of the S&P500 fund (SPY) and 100 shares of iShares Barclays Aggregate Bond Fund (AGG). The price of SPY is $116 and the price of AGG is $97. If you expect the return on SPY to be 11.60% in the next year and the return on AGG to be 10.30%, what is the expected return for your retirement portfolio? O A) 9.87% B) 10.81% OC) 12.20% OD) 11.32% E) 8.65%