Olinick Corporation is considering a project that would require an investment of $322,000 and would last for 8 years. The incremental annual revenues and expenses generated by the project during those 8 years would be as follows (Ignore income taxes.): Sales $ 284,000 Variable expenses 18,000 Contribution margin 266,000 Fixed expenses: Salaries 29,000 Rents 42,000 Depreciation 37,000 Total fixed expenses 108,000 Net operating income $ 158,000 The scrap value of the project's assets at the end of the project would be $19,000. The cash inflows occur evenly throughout the year. The payback period of the project is closest to