Please help me find the estimated payback period in years for this project

CoursHeroTranscribedText: GuSont Inc. was considering an investment in the following project: Required initial investment $860,000 Net annual aftertax cash inflow $160,000 Annual depreciation expense (($860,000 - $161,000)/15 years) $ 46,600 Estimated salvage value $161,000 Life of the project in years 15 Assume that cash inflows occur evenly throughout the year. The estimated payback period in years (rounded to one decimal place) for the proposed project is