on january 1, 2022, the larkspur, inc. general ledger shows equipment $31,100 and accumulated depreciation $10,600. the depreciation resulted from using the straight-line method with a useful life of 10 years and a salvage value of $4,600. 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