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Exercise 9-7 Linton Company purchased a delivery truck for $27,000 on January 1, 2017. The truck has an expected salvage value of $2,400, and is expected to be driven 110,000 miles over its estimated useful lfe of 5 years. Actual miles driven were 15,500 in 2017 and 13,800 in 2018 Calculate depreciation expense per mile under units-of-activity method. (Round answer to 2 decimal places, e.g. 0.52.) Depreciation expense per mile SHOW LIST OF ACCOUNTS Compute depreciation expense for 2017 and 2018 using(1) the straight-line method, (2) the units-of-activity method, and (3) the double-declining-balance method. (Round depreciation cost per unit to 2 decimal places, e.g. 0.50 and depreciation rate to 0 decimal places, e.g. 15%. Round final answers to 0 decimal places, eg, 2,125.) Depreciation Expense 2017 2018 (1) Straight-line method (2) Units-of-activity method (3) Double-declining-balance methods