A copy machine acquired on January 1 with a cost of $2,000 has an estimated useful life of 4 years. It is also expected to have a useful operating life of 76,000 copies. It is estimated to have a residual value of $200.

Determine the depreciation for the first year by the

1.	straight-line method
2.	double declining-balance method
3.	production method (18,500 copies were made the first year)