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Question
Suppose an industry has total sales of $25 million per year. The two largest firms have sales of $6 million each, the third largest firm has sales of $2 million, and the fourth largest firm has sales of $1 million. The four-firm concentration ratio for this industry is
A) 36 percent.
B) 60 percent.
C) 50 percent.
D) 25 percent.
Answer
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