Monty Corp. purchased a piece of equipment for $60,000. It estimated an 8-year life and $2,400 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 $4,800. Compute the revised depreciation. (Round answer to O decimal places, e.g. 125.) Revised depreciation $