The Crane Clinic purchased a new surgical laser for $87,900. The estimated salvage value is $5,500. The laser has a useful life of five years and the clinic expects to use it for 10,300 hours. It was used 1,930 hours in year 1; 2,640 hours in year 2; 2,150 hours in year 3; 1,750 hours in year 4; 1,830 hours in year 5. (a) Compute the annual depreciation for each of the five years under each of the following methods: (1) straight-line. (2) units-of-activity. (Round answers to O decimal place, e.g. 1500.) Straight-line Year 1 $ Year 2 Year 3 Year 4 Year 5 Units of Activity $ Total $ $