Exercise 10-7 Linton Company purchased a delivery truck for $33,000 on January 1, 2017. The truck has an expected salvage value of $3,000, and is expected to be driven 108,000 miles over its estimated useful life of 10 years. Actual miles driven were 16,800 in 2017 and 12,600 in 2018. Calculate depreciation expense per mile under units-of-activity method. (Round answer to 2 decimal places, e.g. 0.50.) per mile Depreciation expense SHOW LIST OF ACCOUNTS LINK TO TEXT 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, e.g. 2,125.) Depreciation Expense 2018 (1) Straight-line method (2) Units-of-activity method (3) Declining-balance method