Providence Medical Center bought equipment on January 2, 2013, for $15,000.The equipment was expected to remain in service for four years and to perform 1,000 surgeries.At the end of the equipment's useful life, Providence estimates that its residual value will be $3,000.The equipment performed 100 surgeries the first year, 300 the second year, 400 the third year, and 200 the fourth year.Prpare a schedule of depreciation expense per year for the equipment under the three methods.

Straight-lineUnits of ProductionDouble Declining Balance

Year 1:Year 1:Year 1:

Year 2:Year 2:Year 2:

Year 3:Year 3:Year 3:

Year 4:Year 4:Year 4: