Blue Spruce Company purchased a delivery truck for $34,000 on January 1,2022 . The truck has an expected salvage value of $1,140, and is expected to be driven 106,000 miles over its estimated useful life of 10 years. Actual miles driven were 16,300 in 2022 and 11,400 in 2023. (a1) Your answer is correct. Calculate depreciation expense per mile under units-of-activity method. (Round answer to 2 decimal places, e.g. 0.50.) Depreciation expense $ per mile Compute depreciation expense for 2022 and 2023 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.)