Here are the cash flows for two mutually exclusive projects: Project Co C1 $ 39,200 +$15,700 - 39,2000 C2 +$15,700 0 C3 +$ 15,700 + 49,200 B a. Given the following interest rates (0%, 2%, 4%, 6%, 8%, 10%, 12%, 14%, 16%, 18%, 20%), above what interest rates would you prefer project A to B? Interest rates above % b. What is the IRR of each project? (Round your answers to 2 decimal places.) Project Project B IRR %