Requirement 1b. Compute second-year (2025) depreciation expense on the plane using the units-of-production method. Before calculating the second-year depreciation expense on the plane using the units-of-production method, calculate the depreciation exper Select the formula, then enter the amounts and calculate the depreciation expense per unit. Cost Residual value Useful life in units Depreciation per unit 61000000 6000000 expense on the plane using the