On January 1,2023, a machine was purchased for $100,000. The machine has an estimated salvage value of $6,400 and an estimated useful life of 5 years. The machine can operate for 104,000 hours before it needs to be replaced. The company closed its books on December 31 and operates the machine as follows: 2023. 20,800 hours; 2024, 26,000 hours; 2025, 15,600 hours: 2026, 31.200 hours, and 2027, 10,400 hours

following methods. (Round answers to 0 decimal places, e.g. 45, 892.)