Brief Exercise 11-01 Metlock Corporation purchased a truck at the beginning of 2020 for $55,000. The truck is estimated to have a salvage value of $2,200 and a useful life of 176,000 miles. It was driven 25,300 miles in 2020 and 34, 100 miles in 2021. Compute depreciation expense using the units-of-production method for 2020 and 2021. Depreciation expense for 2020 Depreciation expense for 2021