The Hartley Clinic purchased a new surgical laser for $90,000. The estimated salvage value is $5,000. The laser has a useful life of five years and the clinic expects to use it 10,000 hours. It was used 1,600 hours in year 1;2,200 hours in year 2; 2,400 hours in year 3; 1,800 hours in year 4; 2,000 hours in year 5 Compute the annual depreciation for each of the five years under straight-line and units-of-activity methods. Straight-line Units-of-Activity Year 1 $ Year 2 Year 3 Year 4 Year 5 Total$ If you were the administrator of the clinic, which method would you deem as most appropriate? Units-of-activity method Straight-line method Both methods