Cutter Enterprises purchased bottling machine for $100,000 on January 1, 2020. The machine is expected to have a five-year life or 500,000 units and a residual value of $5,000. 6. Using the straight-line method, depreciation for 2020 would be: 7. Using the double-declining balance, depreciation for 2021 would be: 8. Using the sum-of-years (digits), depreciation for 2022 would be: 9. Using the units of production method (units produced was 90,000 units for 2020), depreciation for 2020 would be