Mae has a financial document return of 0.10 per year over the next 30 years. She has wants to invest in Stocks 1, 2, and 3, with 25 percent in Stock 1, 50 percent in Stock 2, and 25 percent in Stock 3. If Stocks 1 and 2 have expected returns of 0.10 and 0.09 per year, respectively, then what is the minimum expected annual return for Stock 3 that will enable Mae to achieve her investment requirement?