Based on the calculation below, the payback period of the project is closest to 2.1 years.
The payback period of the project can be calculated as follows:
Annual net cash inflow = Net operating income + Noncash deduction for depreciation = $108,000 + $40,000 = $148,000
Therefore, we have:
Payback period of the project = Required investment / Annual net cash inflow = $313,000 / $148,000 = 2.1 years
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