Required information [The following information applies to the questions displayed below.] On January 1, Speedy Delivery Company purchases a delivery van for $33,600. Speedy estimates that at the end of its four-year service life, the van will be worth $5,200. During the four-year period, the company expects to drive the van 177,500 miles. Actual miles driven each year were 46,000 miles in year 1 and 51,000 miles in year 2 . Required: Calculate annual depreciation for the first two years using each of the following methods. Note: Do not round your intermediate calculations. 2. Double-declining-balance