Oriole Corporation purchased a truck at the beginning of 2020 for $60,000. The truck is estimated to have a salvage value of $2,400 and a useful life of 192,000 miles. It was driven 27,600 miles in 2020 and 37,200 miles in 2021. Compute depreciation expense using the units-of-production method for 2020 and 2021. Depreciation expense for 2020 Depreciation expense for 2021