Speedy Delivery Company purchases a delivery van for $ 36,000. Speedy estimates that at the end of its four-year service life, the van will be worth $ 6,400. During the four-year period, the company expects to drive the van 148,000 miles.

Required:
Calculate annual depreciation for the first two years using each of the following methods. Round all amounts to the nearest dollar.
1. Straight-line.
2. Double-declining- balance.
3. Activity-based. Actual miles driven each year were 40,000 miles in year 1 and 46,000 miles in year 2.