Sandhill Company purchased a delivery truck for $48,000 on July 1,2022 . The truck has an expected salvage value of $4,000, and is expected to be driven 100,000 miles over its estimated useful life of 8 years, Actual miles driven were 15,000 in 2022 and 12,000 in 2023. Sandhill uses the straight-line method of depreciation. (a) Your answer is partially correct. Compute depreciation expense for 2022 and 2023