On January 1, Speedy Delivery Company purchases a delivery van for $34,400. Speedy estimates that at the end of its four-year service life, the van will be worth $5,600. During the four-year period, the company expects to drive the van 144,000 miles. Actual miles driven each year were 38,000 miles in year 1 and 42,000 miles in year 2 . Required: Calculate annual depreciation for the first two years using each of the following methods. (Do not round your intermediate calc