Jill Harrington, a manager at Jennings Company, is considering several potential capital investment projects. Data on these project follow: Initial investment Annual cash inflows PV of cash inflows Required: Project X $ 40,000 25,000 45,000 Project Y $ 20,000 10,000 33,000 Project z $ 50,000 25,400 70,000 1. Compute the payback period for each project and rank order them based on this criterion. 2. Compute the NPV of each project and rank order them based on this criterion. 3. Compute the profitability index of each project and rank order them based on this criterion. 4. If Jennings has limited funds to invest, which ranking should Jill recommend?