Practice: July 1, 2017, A machine costing $22,000 with a five year life and salvage value $2,000. The manager estimates the machine will prodcue 1,000 units of products during its useful life. It actually produces the following units 200 units in Year 1,400 units in Year 2, 300 units in Year 3, 80 in Year 4, and 30 Year 5. Compute the Depreciation Expense for three different methods: Straight line method Depreciation Schedule Year Unit of Production Method Year Total Double Declining Method Depreciation Schedule Year