Skysong Company purchased machinery on January 1, 2025, for $84,800. The machinery is estimated to have a salvage value of $8,480 after a useful life of 8 years. Compute 2025 depreciation expense using the double-declining-balance method, assuming the machinery was purchased on October 1, 2025. (Do not round intermediate calculations. Round final answer to O decimal places, e.g. 5,125.) Depreciation expense $