While You Wait Copy purchased a new copy machine. The new machine cost $136,000 including installation. The company estimates the equipment will have a residual value of $34,000. While You Wait Copy also estimates it will use the machine for four years or about 8,000 total hours. Actual use per year was as follows: Year Hours Used 1 2,900 2 1,900 3 1,900 4 3,500 3. Prepare a depreciation schedule for four years using the activity-based method