A distributor sells a product through an on-line store, which takes a commission of 20 percent off the price set by the distributor. The distributor obtains the product from a producer at the price of 15 dollars per item. What is the price that a buyer observes on-line if the distributor wants to maintain a 20 percent profit on the cost of the item?
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A$18.00
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B$18.50
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C$22.00
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D$22.50
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E$27.00
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正确答案: D