On January 2, 2014, Wavepoint Systems installed a computerized machine in its factory at a cost of $169,200. The machine’s useful life was estimated at four years or a total of 181,500 units with a $24,000 trade-in value. Wavepoint’s year-end is December 31. Calculate depreciation for each year of the machine’s estimated useful life under each of the following methods:
a. Straight-line
b. Double-declining-balance
c. Units-of-production, assuming actual units produced were:
2014....................... 38,300
2015....................... 41,150
2016 ...................... 52,600
2017 ...................... 56,000