On january 1, speedy delivery company purchases a delivery van for $29,600. speedy estimates that at the end of its four-year service life, the van will be worth $4,800. during the four-year period, the company expects to drive the van 155,000 miles. actual miles driven each year were 41,000 miles in year 1 and 45,000 miles in year 2.
calculate annual depreciation for the first two years using each of the following methods.

Straight line
Year. Annual depreciation
1. ?
2. ?