Problem #2 A tractor-trailer was purchased for $225,000 on January 1, 2020. The following assumptions were made concerning the acquisition: Salvage Value: $ 25,000 Useful Life: 5 years Estimated Lifetime Units: 800,000 miles Required: record the annual depreciation expense using the following three methods: Units of Production Double Declining Balance Straight-Line Year 1 Year 2 Year 3 Year 4 Year 5 Totals Actual Units 175,000 155,000 165,000 170,000 165,000