Angela Dams purchases new equipment for $66,000 with an estimated useful (service) life of 6 years and a salvage value of $6,000. The company depreciates the equipment over six years. After two years, the company revises its estimate to total useful life of 8 years, with no change in salvage value. Depreciation for year 3 will be: 7,500 7,666 6,667 10,000