The Ayayai Clinic purchased a new surgical laser for $79,000. The estimated residual value is $7,900. The laser has a useful life of four years and the clinic expects to use it 10,000 hours. It was used 500 hours in Year 1; 2,400 hours in Year 2; 3,700 hours in Year 3; 3,400 hours in Year 4. (a) Calculate the annual depreciation for each of the four years under each of the following methods: Straight-line method $ Units-of-production method $ Year 1 A $ Year 2 SA $ Year 3 69 The Ayayai Clinic purchased a new surgical laser for $79,000. The estimated residual value is $7,900. The laser has a useful life of four years and the clinic expects to use it 10,000 hours. It was used 500 hours in Year 1; 2,400 hours in Year 2; 3,700 hours in Year 3; 3,400 hours in Year 4. (a) Calculate the annual depreciation for each of the four years under each of the following methods: tA $ Year 2 Year 3 Year 4 $ $ $ $ SA $ SA $ Total