Please help me understand how to solve this:

Calculate the payback period Assumptions. Calculate how many years it will take to recoup the original investment

Using the above five assumptions, calculate how many years it will take to recoup the

original investment.

1 Purchase price of equipment $500,000 2 Useful life of equipment 10 years 3 Revenue the machine will generate per year $10,000 4 Direct operating costs associated with earning the revenue $121,000 5 Depreciation Expense per year $50,000