The tax effect of the prior period adjustment in year 3 is to Increase income tax receivable by $8,000.
First step is to calculate the depreciation expense
Depreciation expense is understated in years 1 and year 2 by $20,000 ($10,000 each year) calculated as:
Depreciation expense=($100,000/10 years)x 2 years
Depreciation expense= $10,000x 2 years
Depreciation expense = $20,000
Second step is to calculate the tax effect of the prior period adjustment in year 3:
Tax effect=40% × $20,000
Tax effect= $8,000
Based on the above calculation the prior period adjustment in year 3 is to increase income tax receivable by $8,000.
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