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Price (dollars per battery) 20 18 - 16 14 -5.. World 12 price + tariff A B D 10 World price 8 ..j.. Dus: 0 100 300 500 700 900 1, 100 1,300 Quantity (thousands of batteries) The above figure shows the U.S. market for replacement cell phone batteries. With free international trade, the United States O imports 500,000 batteries. O exports 300,000 batteries. O imports 800,000 batteries. imports 400,000 batteries. exports 700,000 batteries