On January 1, 2019, the Windsor, Inc. ledger shows Equipment $55,000 and Accumulated Depreciation Equipment $10,600. The depreciation resulted from using the straight-line method with a useful life of 11 years and salvage value of $3,900. On this date, the company concludes that the equipment has a remaining useful life of only 4 years with the same salvage value. Compute the revised annual depreciation. Revised annual depreciation