Concord Corporation purchased a delivery truck for $36,800 on January 1, 2019. The truck has an expected salvage value of $1,800, and is expected to be driven 100,000 miles over its estimated useful life of 8 years. Actual miles driven were 13,500 in 2019 and 13,000 in 2020. (al) Your answer is correct. Calculate depreciable cost per mile under units-of-activity method. (Round answer to 2 decimal places, e.g. 0.50.) Depreciable cost 0.35 per mile Compute depreciation expense for 2019 and 2020 using (1) the straight-line method, (2) the units-of-activity method, and (3) the double-declining-balance method. decimal places, e.g. 15%. Round final answers to 0 decimal places, e.g. 2,125.) Depreciation Expense 2019 2020 (1) Straight-line method $ $ (2) Units-of-activity method $ $ (3) Double-declining-balance method $ $