On April 30, 2013, the Pattison Corporation purchased machinery for $240,000. The estimated useful life of the machinery is eight years and the estimated residual value is $20,000. The machine is expected to produce 55,000 units during its useful life.

Required:

Calculate depreciation for 2013 and 2014 using each of the following methods. Partial year depreciation is calculated based on the number of months the asset is in service. Round all computations to the nearest dollar.

1. Straight-line.

2. Sum-of-the-years digits.

3. Double-declining balance.

4. Units-of-production (units produced in 2013, 6,000; units

produced in 2014, 12,000).