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On January 1, 2018, the Allegheny Corporation purchased machinery for $116,000. The estimated service life of the machinery is 10 years and the estimated residual value is $6,000. The machine is expected to produce 260,000 units during its life. Required: Calculate depreciation for 2018 and 2019 using each of the following methods. 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 32.000; units produced in 2019 27000)