At the beginning of the year, Palermo Brothers, Inc., purchased a new plastic water bottle-making machine at a cost of $76,000. The estimated residual value was $9,000. Assume that the estimated useful life was four years and the estimated productive life of the machine was 670,000 units. Actual annual production was as follows:

Year	Units
1	201,000
2	147,400
3	184,250
4	137,350

Complete a separate depreciation schedule for each of the alternative methods.

a. Straight-line.

b. Units-of-production.

c. Double-declining-balance.