What is the expected return of two-stock portfolio if you invest 30% of your investment into a stock with the expected return of 13% and 70% into a stock with the expected return of 8%?

Round to the nearset hundredth percent. Answer in the percent format. Do not include % sign in your answer (i.e. If your answer is 4.33%, type 4.33 without a % sign at the end.)