The Blue Clinic purchased a new surgical laser for $73,500. The estimated residual value is $7,400. The laser has a useful life of four years and the clinic expects to use it 10.000 hours. It was used 1.700 hours in Year 1: 1,900 hours in Year 2,3,300 hours in Year 3 3,100 hours in Year 4. (a) Calculate the annual depreciation for each of the four years under each of the following methods: Year 1 Year 2 $ $ Straight-line method Units-of-production method $ Year 3 $