Vandezande Inc. is considering the acquisition of a new machine that costs $428,000 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 $ 66,000 $ 150,000 Year 2 $ 72,000 $ 152,000 Year 3 83,000 $ 165,000 Year 4 $ 46,000 $ 148,000 Year 5 88,000 150,000 Assume cash flows occur uniformly throughout a year except for the initial investment. The payback period of this investment is closest to: (Round your answer to 1 decimal place.)