$($Ignore income taxes$)$ Ostermeyer Corporation is considering a project that would require an initial investment of $$247,000$ and would last for $7$ years.

The incremental annual revenues and expenses for each of the $7$ years would be as follows:

Required: Determine the payback period of the project. Show your work!

$\backslash$table$[[$Sales$,,$$$198,000$