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A four-firm concentration ratio of 60 percent means that

A. any sample of four firms will account for 60 percent of the market.
B. the largest four firms, together, share 60 percent of the market.
C. the smallest four firms account for 60 percent of the market sales.
D. all firms in the market now produce 60 percent of what they once did.

User Dyary
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Answer: Option C is correct

Step-by-step explanation:

User Evvon
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