On January 1, 2014, a machine was installed at Garrity Factory at a cost of $58,000. Its estimated residual value at the end of its estimated life of 4 years is $16,000. The machine is expected to produce 168,000 units with the following production schedule:
• 2014: 24,000 units
• 2015: 34,000 units
• 2016: 27,000 units
• 2017: 83,000 units
Complete depreciation schedules for
(a) Straight-line,
(b) Units-of-production,
(c) Double declining-balance at twice the straight-line rate methods.