On January 2 Skyler, Inc., purchased a laser cutting machine to be used in the fabrication of a part for one of its key products. The machine cost $120,000, and its estimated useful life was four years or 920,000 cuttings, after which it could be sold for $5,000. Required a. Calculate each year's depreciation expense for the period under each of the following deprecia- tion methods: 1. Straight-line. 2. Double-declining balance. 3. Units-of-production. Assume annual production in cuttings of 200,000; 350,000, 260,000 and 110.000. b. Assume that the machine was purchased on July 1. Calculate each year's depreciation expense for the period under each of the following depreciation methods: 1. Straight-line. 2. Double-declining balance.