Flint Corporation purchased a piece of equipment for $70,000. It estimated a 8-year life and $2,800 salvage value. At the end of year 4 (before the depreciation adjustment), it estimated the new total life to be 10 years and the new salvage value to be $5,600. Compute the revised depreciation. Company uses straight-line depreciation method. (Round answer to 0 decimal places, e.g. 125.)