On January 1, 2024, the Allegheny Corporation purchased equipment for $115,000. The estimated service life of the equipment is 10 years and the estimated residual value is $5,000. The equipment is expected to produce 220,000 units during its life.

Required:
Calculate depreciation for 2024 and 2025 using each of the following methods. Round all computations to the nearest dollar.
1. Sum-of-the-years’-digits
2. 150% declining balance
3. Assume instead the equipment was purchased on October 1, 2024. Calculate depreciation for 2024 and 2025 using each of the two methods. Partial-year depreciation is calculated based on the number of months the asset is in service. Round all computations to the nearest dollar.