2019 $ 3,583 X 2020 $ 4,550 - 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 $ 38,800 x 2020 34,600 b. Sum-of-the-years-digits method 2019 $ 35,364 x 2020 $ 28,491 X c. Double-declining-balance method 2019 $ 34,600 X 2020 $ 26,200 X d. Activity method 2019 $ 39,417 X 2020 $ 34,867 3. Next Level The book value of the asset in the early years of the asset's service will be lower under an accelerated method as compared to the straight-line method. The activity method is appropriate when the service life of the asset is affected primarily by the amount the asset is used. eBook Show Me How Calculator 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: 1. Compute depreciation expense for 2019 and 2020 using the following methods: (Round your answers to the nearest dollar.) a. Straight line method 2019 $ 4,200 X 2020 $ 4,200 b. Sum-of-the-years-digits method 2019 $ 7,636 2020 $ 6,873 X c. Double-declining-balance method 2019 $ 8,400 2020 $ 3,400 d. Activity method 2019 $ 3,583 X 2020 $ 4,550 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. Stralohtline method 2019 38,800 X