On January 1, 2017, the Carla Vista Co. ledger shows Equipment $44,000 and Accumulated Depreciation $16,680. The depreciation resulted from using the straight-line method with a useful life of 10 years and a salvage value of $2,300. On this date, the company concludes that the equipment has a remaining useful life of only 2 years with the same salvage value. Compute the revised annual depreciation.