Diamond Autobody purchased new equipment for $90,000. Residual value at the end of an estimated four-year service life is expected to be $10,000. During the four-year period, the company expects to use the equipment a total of 5,000 hours. Required: Prepare a depreciation schedule for the four-year life of the equipment using the following methods: 1. Straight-line. 2. Double-declining-balance. 3. Activity-based. Actual use per year was as follows:

Year	Hours Used
1	1,200
2	1,400
3	1,500
4	1,100