Sheffield Corp. purchased a delivery truck for $40,500 on January 1, 2022. The truck has an expected salvage value of $8,500, and is expected to be driven 100,000 miles over its estimated useful life of 10 years. Actual miles driven were 16,800 in 2022 and 12,600 in 2023.

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. Depreciation Expense 2022 2023 (1) Straight-line method $ $ (2) Units-of-activity method $ $ (3) Double-declining-balance method $ $