On October 1, 2018, the Allegheny Corporation purchased machinery for $233,000. The estimated service life of the machinery is 10O years and the estimated residual value is $2,000. The machine is expected to Produce 420,000 units during its .ife. Required Calculate depreciation for 2018 and 2019 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. Sum-of-the-years'-digits 3. Double-declining balance 4. One hundred fifty percent declining balance. 5. Units of production (units produced in 2018, 21,000; units produced in 2019, 36,000)