Platinum is a relatively rare metal vital to a wide variety of industries. Xagor Corporation, a major producer of platinum, has its production plant in a country that will soon begin imposing an export tax on platinum sold and shipped to customers abroad. As a consequence, the price of platinum on the world market is bound to rise.
Which of the following, if true, tends to confirm the conclusion above?
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AAn inexpensive substitute for platinum has been developed and will be available to industry for the first time this month.
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BThe largest of the industries that depend on platinum reported a drop in sales last month.
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CThe producers of platinum in other countries taken together cannot supply enough platinum to meet worldwide demand.
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DXagor produced more platinum last month than in any previous month.
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ENew deposits of platinum have been found in the country in which Xagor has its production plant.
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