Elysian Fields, Inc., uses a maximum payback period of $6$ years and currently must choose between two mutually exclusive projects. Project Hydrogen requires ar 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?

The payback period of project Hydrogen is $$ years. $($Round to two decimal places.$)$

Data table

$($Click on the icon here $$ in order to copy the contents of the data table below into a spreadsheet.$)$

$\backslash$table$[[,$Expected cash inflows$],[$Year$,$Hydrogen,Helium$],[1,$$$6,000,$$$7,000$