Depreciation for Partial Periods Lightning Delivery Company purchased a new delivery truck for $45,000 on April 1, 2019. The truck is expected to have a service life of 10 years or 120,000 miles and a residual value of $3,000. The truck was driven 10,000 miles in 2019 and 13,000 miles in 2020. Lightning computes depreciation expense to the nearest whole month. Required: Compute depreciation expense for 2019 and 2020 using the following methods: (Round your answers to the nearest dollar.)