latural Rescurces, and intangible Assets 1. (LO 2) DuPage Manufacturing purchases a factory machine at a cost of 18.000 on January DuPage expects the machine to have a residual value of 2,000 at the end of its + -year useful life. During its useful life, the machine is expected to be used 160,000 hours. Actual annual hourly us was 2020,40,000;2021,60,000;2022,35,000; and 2023,25,000. Instructions Prepare depreciation schedules for the following methods: (a) straight-line, (b) units-of-activity. (c) declining-balance using double the straight-line rate