Your retirement portfolio comprises 200 shares of the S&P 500 fund (SPY) and 100 shares of Shires Barclays Aggregate Bond Fund (AGG). The price of SPY is $128 and that of AGG is $110. If you expect the return on SPY to be 11% in the next year and the return on AGG to be 9% what is the expected return for your retirement portfolio? DA 10.4% OB. 9.36% OC. 1472% OD 10 92%