On October 1, 2021, the Allegheny Corporation purchased equipment for $181,000. The estimated service life of the equipment is 10 years and the estimated residual value is $5,000. The equipment is expected to produce 400,000 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. 3. Units of production (units produced in 2021, 16,000; units produced in 2022, 31,000). (Round "Depreciation per unit rate" a to 2 decimal places.) Select formula for Units of Production Depreciation: Calculate 2021 depreciation expense: Depreciation per unit rate Units produced in 2021 Depreciation in 2021 Calculate 2022 depreciation expense. Depreciation per unit rate Units produced in 2022 Depreciation in 2022