If the four-firm concentration ratio is 0.55, and the top four firms account for $25 million in sales, it follows that total industry sales equal
A)$28.57 million.
B)$12.00 million.
C)$35.00 million.
D)$55.56 million.
E)$45.45 million.

Question

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The Answer of If the four-firm concentration ratio is 0.55, and the top four firms account for $25 million in sales, it follows that total industry sales equal
A)$28.57 million.
B)$12.00 million.
C)$35.00 million.
D)$55.56 million.
E)$45.45 million.

If the Four-Firm Concentration Ratio Is 0