Speedy delivery company purchases a delivery van for $40,000. 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 174,000 miles. actual miles driven each year were 44,000 miles in year 1 and 52,000 miles in year 2. required: calculate annual depreciation for the first two years of the van using each of the following methods. (do not round your intermediate calculations.)