Current Attempt in Progress Oriole Limited purchased a machine on account on April 2, 2018, at an invoice price of $368,760. On April 4, it paid $1,950 for delivery of the machine. A one-year, $3,860 insurance policy on the machine was purchased on April 5. On April 18, Oriole paid $7,740 for installation and testing of the machine. The machine was ready for use on April 30. Oriole estimates the machine's useful life will be five years or 6,197 units with a residual value of $84,390. Assume the machine produces the following numbers of units each year: 937 units in 2018; 1,353 units in 2019; 1,528 units in 2020; 1,303 units in 2021; and 1,076 units in 2022. Oriole has a December 31 year end. (b) Calculate the annual depreciation and total depreciation over the asset's life using: (Round the depreciation cost per unit to the nearest cent. Round answers to 0 decimal places, e.g. 5,275.) (1) Straight-line method Year Depreciable Cost Depreciation Expense Accumulated Depreciation 2018 $ $ $ 2019 2020 2021 2022 2023 (2) Double-diminishing-balance method Year Opening Carrying Amount Depreciation Expense Accumulated Depreciation 2018 $ $ $ 2019 2020 2021 2022 2023 (3) Units-of-production method Year Units-of-production Depreciation Expense Accumulated Depreciation 2018 $ $ $ 2019 2020 2021 2022 Which method causes net income to be lower in the early years of the asset's life