Based on the costs described and the operating profit, the depreciation expense was $330,000
You can find the depreciation expense as:
Operating income = Sales - Cost of goods sold - Admin expenses - Depreciation
150,000 = 750,000 - 200,000 - 70,000 - Depreciation
Depreciation = 750,000 - 200,000 - 70,000 - 150,000
= $330,000
In conclusion, depreciation was $330,000.
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