Here are the cash flows for two mutually exclusive projects: Project Co -$ 21,200 - 21,200 1 +$ 8,400 C2 +$8,400 0 B +$ 8,400 + 26,600 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.) IRR Project A % Project B % |