You are considering the following two mutually exclusive projects. Project A has the initial investment of 100,000 and the cash flows of 60,000, 90,000, and 50,000 for the next three years, respectively. Project B has the initial investment of 200,000, and the cash flows of 70,000, 150,000, and 160,000 for the next three years, respectively. The crossover point for these two projects is _____ percent.