Two friends contributed 50,000 each to form a new business. The owners used the amounts contributed to purchase a machine for 100,000 cash. They estimated that the useful life of the machine was five years and the salvage value was 20,000. They rented out the machine to a customer for an annual rental of 25,000 a year for five years. Annual cash operating costs for insurance, taxes, and other items totalled 6,000 annually. At the end of the fifth year, the owners sold equipment for 22,000, instead of the 20,000 salvage value initially estimated.