please solve all the parts

In recent years, Indigo 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 below. Bus Acquired Cost Residual Value Useful Life in Years 1 1/1/18 95,600 8,000 4 Depreciation Method Straight-line Declining-balance Units-of-activity 2 1/1/18 119.000 12.000 5 3 1/1/19 91,300 8.000 5 For the declining-balance method, the company uses the double-declining rate. For the units-of-activity method, total miles are expected to be 119,000. Actual miles of use in the first 3 years were: 2019,28,000: 2020, 35,000; and 2021.31,000. Calculate depreciable cost per mile for Bus 3. (Round answer to 2 decimal places, eg. 0.50) Depreciable cost per mile If Bus no. 2 was purchased on April 1 instead of January 1, what is the depreciation expense for this bus in 2018 and 2019? (Round answers to decimal places, es 2,125.) 2018 2019 Depreciation expense