On January 1, 2023, a machine was purchased for $122,500. The machine has an estimated salvage value of $7,300 and an estimated useful life of 5 years. The machine can operate for 120,000 hours before it needs to be replaced. The company closed its books on December 31 and operates the machine as follows: 2023,24,000 hours: 2024,30,000 hours: 2025,18,000 hours; 2026, 36,000 hours: and 2027, 12,000 hours. (a) Compute the annual depreciation charges over the machine's life assuming a December 31 year-end for each of the following depreciation methods. (Round rate per hour to 2 decimal places, es. 15.25 and finol answers to 0 decimal places, es. 45.892.) 1. Straight-line Method $ 2. Activity Method Year 2023 2024 2025 2026 2027 3. Sum-of-the-Years'-Digits Method Year 2023 2024 2025 2026 2027 4. Double-Declining-Balance Method