Bar Delivery Company purchased a new delivery truck for $65,400 on April 1, 2019. The truck is expected to have a service life of 5 years or 170,400 miles and a residual value of $3,120. The truck was driven 9,500 miles in 2019 and 11,900 miles in 2020. Bar 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.)

Straight-line method 2019 $ 2020 $ Sum-of-the-years'-digits method 2019 $ 2020 $ Double-declining-balance method 2019 $ 2020 $ Activity method 2019 $ 2020 $ 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.) Straight-line method 2019 $ 2020 $ Sum-of-the-years'-digits method 2019 $ 2020 $ Double-declining-balance method 2019 $ 2020 $ Activity method 2019 $ 2020 $