Problem 8-13 NPV/IRR (LO4) Consider projects A and B Cash Flows (dollars NPV at 10% + $9,942.15 + 13,892.56 Project -39,000 -59,000 28,200 42,000 28,200 42,000 a. Calculate IRRs for A and B. (Do not round intermediate calculations. Round your answers to 2 decimal places.) Project IRR b. Which project does the IRR rule suggest is best? Project A O Project B c. Which project is really best? Project A O Project B