Compute the payback period for an investment with the following net cash flows.

Note: Round your answer to one decimal place.

$\backslash$table$[[$Year$,\backslash$table$[[$Net Cash Flows$],[$per Year$]],\backslash$table$[[$Cumulative Net$],[$Cash Flows$]]],[$Initial investment,$$(109,000),$$$(109,000)$