Equipment was acquired on January 1, 2018, at a cost of $85,000. The equipment was originally estimated to have a salvage value of $4,800 and an estimated life of 10 years. Depreciation has been recorded through December 31, 2021, using the straight-line method. On January 1, 2022, the estimated salvage value was revised to $6,400 and the useful life was revised to a total of 8 years. (10 points) Determine the depreciation expense for 2022. Show your work to receive credit