Mohr Company purchases a machine at the beginning of the year at a cost of $46,000. The machine is depreciated using the units-of-production method. The company estimates it will use the machine for 5 years, during which time it anticipates producing 84,000 units. The machine is estimated to have a $4,000 salvage value. The company produces 10,800 units in year 1 and 7,800 units in year 2. Depreciation expense in year 2 is: