A company purchases a delivery van for $40,800. The company 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 176,000 miles. Actual miles driven each year were 45,000 miles in year 1 and 50,000 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.) 1. Straight-line. Year Annual Depreciation 2. Double-declining-balance. Year Annual Depreciation 2 3. Activity-based. Year Annual Depreciation