Depreciation for Partial Periods Storm Delivery Company purchased a new delivery truck for $39,000 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 8,000 miles in 2019 and 20,000 miles in 2020. Storm computes depreciation expense to the nearest whole month. Required: 1. Compute depreciation expense for 2019 and 2020 using the following methods: (Round your answers to the nearest dollar.) a. Straight-line method 2019 $ 2,700 2020 $ 3,600 b. Sum-of-the-years'-digits method 2019 to 4,909 2020 tA 5,890 X C. Double-declining-balance method 2019 $ 7,800 x $ 2020 $ 6,240 X d. Activity method 2019 $ 1,600 x 2019 $ $ 1,600 X 2020 $ 4,000 X 2. For each method, what is the book value of the machine at the end of 2019? At the end of 2020? (Round your answers to the nearest dollar.) a. Straight-line method 2019 $ 36,300 2020 tA $ 32,700 b. Sum-of-the-years'-digits method 2019 34,091 $ $ 2020 28,201 x c. Double-declining-balance method 2019 $ 34,200 X 2020 $ 24,960 X d. Activity method 2019 $ 37,400 X 2020 $ 33,400 X 3. Next Level The book value of the asset in the early years of the asset's service will be lower v under an accelerated method as