On January 1, 2022, the Swifty Corporation general ledger shows Equipment $34,200 and Accumulated Depreciation $10,400. The depreciation resulted from using the straight-line method with a useful life of 12 years and a salvage value of $3,000. 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. Revised annual depreciation $