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The following firms are all the firms in the industry, listed in order of sales.
2. The following firms are all the firms in the industry, listed in order of sales.
Firm A 18,000 Firm E 2,500
Firm B 14,000 Firm F 2,000
Firm C 7,000 Firm G 1,600
Firm D 3,700 Firm H 1,200
Find the concentration ratio. Is this firm in monopolistic competition or a less competitive market?