On January 12, 20X1, Jackson Company purchased a machine to mold components for one of its products. Total cost of the machine was $520,500. It is expected to produce 710,000 units and to have a salvage value of $59,000. The company used the units-of- production method of depreciation. Required: a. In 20X1, it produced 71,000 units. Compute the depreciation expense for 20X1. b. During 20X2, 101,000 units were produced. Compute the depreciation expense for 20X2. (For all requirements, round your cost per unit to 2 decimal places.) a. Depreciation expense b. Depreciation expense