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Question: please mathematically explain the meaning of the line quotadditional profit...

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Lost Consumer Surplus Deadweight Loss SS FROM MONOPOLY le and triangles show changes producer surplus when moving ice and quantity, P, and Q, to a d quantity, P, and Q Because of sumers lose A + B and producer dweight loss is B+ C AR Qe P, and Q, to the monopoly price and quantity, P and Q Under monopoly, the price is higher and consumers buy less. Because of the higher price, those consumers who buy the good lose surplus of n amount given by rectangle A. Those consumers who do not buy theg price P, but who would buy at price P, also lose surplus-namely, an a given by triangle B. The total loss of consumer surplus is therefore A roducer, however, gains rectangle A by selling at the higher price but lose triangle C, the additional profit it would have earned by selling the price P. The total gain in producer surplus is therefore A- C. Subtracting loss of consumer surplus from the gain in producer surplus, wer Bven of surplus given by B + C. This is the deadweight loss from monopoly Poconsu if the monopolists profits were taxed away and redistributed to the could be ers of its products, there would be an inefficiency because output e social lower than under conditions of competition. The deadweight loss is cost of this inefficiency see a net


Please mathematically explain the meaning of the line "additional profit it would have earned by selling Qc-Qm at price Pc" from the above diagram.

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