
The depreciation schedule for the machine is:
Year    Depreciation expense
1 Â Â Â Â Â Â Â $35175
2 Â Â Â Â Â Â Â $25,125
3 Â Â Â Â Â Â Â $25,125
4 Â Â Â Â Â Â Â Â $40,200
Activity method based on hours worked = (hours worked that year / total hours of the machine) x  (Cost of asset - Salvage value)
Year 1 = (2800 / 8000) x (134,000 - 33500) =$35175
Year 2 = (2000 / 8000) x (134,000 - 33500) =$25,125
Year 3 = (2000 / 8000) x (134,000 - 33500) =$25,125
Year 4 = (3200 / 8000) x (134,000 - 33500) = $40,200
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