Average rate of return method, net present value method, and analysis for a service company

The capital investment committee of Iguana Inc. is considering two capital investments. The estimated operating income and net cash flows from each investment are as follows:

$\backslash$table$[[$Year$,\backslash$table$[[$Robotic Assembler$],[$Operating Income$]],\backslash$table$[[$Robotic Assembler$],[$Net Cash Flow$]],\backslash$table$[[$Warehouse$],[$Operating$],[$Income$]],\backslash$table$[[$Warehouse$],[$Net Cash Flow$]]],[1,$$$56,000,$$$181,000,$$$118,000,$$$290,000$