A certain company sold 800 units of its product for $8 each and 1,000 units of its product for $5 each. If the company's cost of producing each unit of its product was $6, what was the company's profit or loss on the 1,800 units of its product?
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A$1,600 loss
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B$600 loss
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CNo profit or loss
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D$600 profit
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E$1,600 profit