Here are the cash flows for two mutually exclusive projects: Project C1 C2 C3 A 38,000 - 38,000 +$15,200 +$15,200 +$ 15,200 +47,700 B 0 0 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? rat % b. What is the IRR of each project? (Round your answers to 2 decimal places.) Project A Project B IRR % %