URGENT!!

Here are the cash flows for two mutually exclusive projects: Ce - 27,200 C1 +$10,800 C2 +$10,800 C3 Project + 10,800 34,200 A - 27,200 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 B Project A IRR