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Use the data on the graph to answer the following questions: :19. 1 s llvl-vvlvvvlv' 10' o 100 160180 2&0 Quantity a. Explain how we know that this firm is not operating in a perfectly competitive industry. b. In the pursuit of maximum profits, this firm will produce _____ units of output and charge a price of $ . c. This firm's short-run economic profit will be $______. Show your work below