On January 1, 2017 Baker Company purchased a new delivery van for $84,000 that had an expected
salvage value of $12,000. Its useful life was estimated to be 4 years or 160,000 miles.

Its actual mileage was

•2017
37,800 miles

•2018
43,600 miles

2019
39,100 miles

•2020
39,500 miles

For Parts 1, 2, and 3, use the specified method to calculate the depreciation expense for each year from 2017 through 2020. In each part, also calculate the accumulated depreciation and book value for each
year.

Show and label all calculations.
Part 1: Straight-Line Method
Part 2: Double-Declining Balance Method
Part 3: Units-of-Production Method