Equipment was acquired on January 1,2024 at a cost of $60,000. The equipment was originally estimated to have a salvage value of $4,000 and an estimated life of 10 years. Depreciation has been recorded through December 31, 2027 using the straight-line method. On January 1, 2028, the estimated salvage value was revised to $5,600 and the useful life was revised to a total of 8 years. Determine the depreciation expense for 2028. Depreciation expense for 2028 \$