13. NPV/IRR. Here are the cash flows for a project under consideration: (LO8-1 and LOX-2) C Cz - $6.750 +$4,500 +$18,000 a. Calculate the project's net present value for discount rates of 0, 50%, and 100%. b. What is the IRR of the project? QP8.19 (Required for Submission) 19. NPV/IRR. Consider projects A and B: (L08-2) Project Cash Flows (dollars) C C -30,000 21,000 21.000 -50,000 33,000 33,000 A NPV at 10% +$6,446 +7.273 B a. Calculate IRRs for A and B. b. Which project does the IRR rule suggest is better? c. Which project is really better