The book value of the new machine is $36,000.
Depreciation is the decline in the value of an asset as a result of wear and tear. The methods used to calculate depreciation includes:
The book value is the total cost of the asset less depreciation.
Total cost = 10,000 + 30,000 + 2,000 = $42,000
book value = $42,000 - 6000 = $36,000
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