ework Problem 9-2A In recent years, Avery Transportation purchased three used buses. Because of frequent turnover in the accounting department, a different accountant selected the depreciation method for each bus, and various methods were selected. Information concerning the buses is summarized as follows Part Level Part Level by Study Useful Life in Years Depreciation Method Salvage Bus Acquired Value Cost $95,600 120,000 6,500 11,500 8,000 Straight-line Declining-balance 83,640 For the declining-balance method, the company uses the double-declining rate. For the units-of-activity method, total miles are expected to be 122,000. Actual miles of use in the first 3 years were 2016, 24,000; 2017, 32,000: and 2018, 30,000