If a representative firm with total cost given by TC = 20 + 20q + 5q² operates in a competitive industry where the short-run market demand and supply curves are given by Q_D = 1,400 - 40P and Q_S = -400 + 20P,its short-run profit-maximizing level of output is:

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The Answer of If a representative firm with total cost given by TC = 20 + 20q + 5q² operates in a competitive industry where the short-run market demand and supply curves are given by Q_D = 1,400 - 40P and Q_S = -400 + 20P,its short-run profit-maximizing level of output is:

If a Representative Firm with Total Cost Given by TC