A machine was acquired on 1/1 Year 1 for $18,000. The estimated useful life is 5 years and the estimated residual value is $3,000. At 1/1 Year 1, the estimated miles (units) over its life are 20,000. Year 1 actual usage is 5,000 miles. Year 2 actual usage is 4,000 miles. What is the amount of DEPRECIATION EXPENSE for Year 2 under the units-of- production method of depreciation? O $3,750 $3,000 O $3,600 $4,500 Next