Year to date, an equity investment in Fitchburg, Inc. earned a 9.6% return. During the same time period, equity investments in Chicopee, Inc. and Attleboro, Inc. earned 11.2% and -2.6% respectively. If you have a portfolio with proportional investments in Fitchburg, Chicopee, and Attleboro of 0.40, 0.35, and 0.25 respectively, what is your portfolio return?