Fields Company purchased equipment on January 1 for $180,000. This system has a useful life of 8 years and a salvage value of $20,000. The company estimates that the equipment will produce 40,000 units over its 8-year useful life. Actual units produced are: Year 1 4,000 units; Year 2 6,000 units; Year 3 8,000 units; Year 4 5,000 units; Year 5 4,000 units; Year 6 5,000 units; Year 7 7,000 units; Year 8 3,000 units. What would be the depreciation expense for the final year of its useful life using the units-of-production method?

Group of answer choices

$24,000.

$33,750.

$12,000.

$4,000.

$164,000.