The Sarasota Clinic purchased a new surgical laser for $85,500. The estimated salvage value is $5,100. The laser has a useful life of five years and the clinic expects to use it 12,000 hours. It was used 2,000 hours in year 1; 2,600 hours in year 2; 2,800 hours in year 3; 2,200 hours in year 4; 2,400 hours in year 5.
Compute the annual depreciation for each of the five years under straight-line and units-of-activity methods.