Table 25.2Pool SweeperOutput (Revenue)Market Share (%)North Star$20,000 Hurricane$16,000 Blue Lagoon$2,000 Clean Sweep$2,000 Refer to Table 25.2. Assume there are only four firms in the pool sweeper industry. What is the Herfindahl-Hirschman Index for this industry?
A. 4,125.
B. 50.
C. 4,150.
D. 2,500.
Answer: C
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