University Car Wash built a deluxe car wash across the street from campus. The new machine in the car wash cost $540,000. The company estimates that the equipment will have a residual value of $96,000 and estimates it has a useful life of six years. Prepare a schedule of depreciation for six years using each of the following methods: 1. Straight-line 2. Double-declining-balance 3. Sum-of-the-Years Digits