18. A fim is considering two mutually exclusive projects with equal lives: Project A has an. Nopo, an S100,000, an IRR of 12%, and a payback period of 3.1 years. Project B has an NPV of $120,000, an IRR of 14%, and a payback period of 2.8 years. The firm should choose a. Project A because its NPV is higher than Project B's b. Project A because its payback period is longer than Project B's c. Project B because its IRR is higher than Project A's d. Project B because its payback period is shorter than Project A's e. Both projects