Renewable Energies, Incorporated $($REI$)$ paid $$100,000$ to purchase a windmill. The windmill was expected to have an $8-$year useful life and a $$20,000$ salvage value. At the beginning of the fifth year of operation, REI changed the estimated useful life from $8$ years to $14$ years. Assuming the company uses the straight$-$line method, the amount of depreciation expense on the Year $5$ income statement would be