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Question 15 Not yet answered Marked out of 1.00 PFlag question One of the requirements for a monopoly is that Select one: a. There is a unique product with no close substitutes b. The product cannot be produced by small firms. O c. Products are high priced. O d. There are several close substitutes for the product Question 20 Not yet answered Marked out of 1.00 Flag question In the long run monopolistic competition like perfect competition, will earn zero economic profit. Select one: True O False