At the beginning of the year, Palermo Brothers, Inc., purchased a new plastic water bottle making machine at a cost of $45,000. The estimated residual value was $5,000. Assume that the estimated useful life was four years, and the estimated productive life of the machine was 400,000 units. Actual annual production was as follows:

Year Units
1 120,000
2 90,000
3 110,000
4 50,000
Required: Complete a separate depreciation schedule for each of the alternative methods. (Do not round your intermediate calculation.)

-Double-declining-balance.

-Units-of-production.

-Straight-line.