On October 1, 2021, the Allegheny Corporation purchased equipment for $157,000. The estimated service life of the equipment is 10 years and the estimated residual value is $3,000. The equipment is expected to produce 350,000 units during its life. Required: Calculate depreciation for 2021 and 2022 using each of the following methods. Partial-year depreciation is calculated based on the number of months the asset is in service

1. Straight line

2. Double-declining balance

3. Units of production (units produced in 2021, 14,000; units produced in 2022, 29,000)

4. Sum-of-the-years-digits