E10-1 Elysian Fields Inc. uses a maximum payback period of six years and currently must choose between two mutually exclusive projects. Project Hydrogen requires an initial outlay of $25,000; project Helium requires an initial outlay of $35,000. Using the expected cash inflows given for each project in the following table, calculate each project's payback period. Which project meets Elysian's standards? Expected cash inflows (CF) Year Hydrogen Helium 1 $6,000 $7,000 2 6,000 7,000 3 8,000 8,000 4 5 6 4,000 5,000 3,500 5,000 2,000 4,000