The payback period of this investment is closest to?

Baldock Inc. is considering the acquisition of a new machine that costs $361,000 and has a useful life of 5 years with no salvage value. The incremental net operating income and incremental net cash flows that would be produced by the machine are: Assume cash flows occur uniformly throughout a year except for the initial investment the payback periods of this investment is closest to: 3.3 Years 5.0 years 4.7 years 2.3 years