On January 1, 2017, the Carla Vista Co. records show Equipment $48,500 and Accumulated Depreciation $18,320. The depreciation resulted from using the straight-line method with a useful life of 10 years and a salvage value of $2,700. 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.