On January 1, 2024, Morrow Incorporated purchased a spooler at a cost of $40,000. The equipment is expected to last eight years and have a residual value of $4,000. During its eight-year life, the equipment is expected to produce 250,000 units of product. In 2024 and 2025, 42,000 and 76,000 units, respectively, were produced.

Required: Compute depreciation for 2024 and 2025 and the book value of the spooler on December 31, 2024 and December 31, 2025, assuming the sum-of-the-years'-digits