Jarvey Corporation is studying a project that would have a ten-year life and would require a $450,000 investment in equipment which has no salvage value. The project would provide net operating income each year as follows for the life of the project (Ignore income taxes.): Sales $ 500,000 Less cash variable expenses 200,000 Contribution margin 300,000 Less fixed expenses: Fixed cash expenses $ 150,000 Depreciation expenses 45,000 195,000 Net operating income $ 105,000 The company's required rate of return is 12%. What is the payback period for this project?