[This is a variation of Exercise 11-2 modified to focus on depreciation for partial years.] On October 1, 2021, 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 2021 and 2022 using each of the following methods. Partial-year depreciation is calcu- lated based on the number of months the asset is in service. Round all computations to the nearest dollar. 1. Straight line 2. Double-declining balance 3. Units of production (units produced in 2021, 10,000; units produced in 2022, 25,000)