The December 2017 Balance Sheet of Cooper Company showed Equipment of $64,000 and Accumulated Depreciation of $18,000 before depreciation is recorded...

The December 2017 Balance Sheet of Cooper Company showed Equipment of $64,000 and Accumulated Depreciation of $18,000 before depreciation is recorded for 2017.. On December 31, 2017 the company decided that the equipment has a remaining useful life of 6 years with a $4,000 salvage value.

Prepare the entry to record the revised depreciation expense at 12-31-2017.