Consider projects A and B Cash Flows (dollars Co -31,000 -51,000 NPV at 12% +$5,843 6,462 Project 21,800 34,000 21,800 34,000 a. Calculate IRRs for A and B. (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Project IRR b. Which project does the IRR rule suggest is best? O Project A O ProjectB c. Which project is really best? O Project A O ProjectB