Vandezande Inc. is considering the acquisition of a new machine that costs $426,000 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 (Ignore income taxes.): Incremental Net Incremental Net Cash Operating Income Flows Year 1 $ 67,000 $148,000 Year 2 $ 73,000 $150,000 Year 3 $ 84,000 $175,000 Year 4 $ 47,000 $149,000 Year 5 $ 89,000 $151,000 Assume cash flows occur uniformly throughout a year except for the initial investment. The payback period of this investment is closest to: 2.1 years 4.3 years 5.0 years 2.7 years