Past 1 MC = 2 , FC = 50 P = 8 - 0. 04Q Total revenue - TR= PQ - 8Q-0.019 MR= dTR - 8 - 0.08Q When Qze MR- 8 when MR = 0 Q-8 = 100 0:08 MR MR 100 Q P = 8 - 0. 040 when Q = 50 P - 8 - 0. 04 ( 50 ) = 6 Total revenue - PQ = 6(50) = 300 Total cost = mcg + EC - 2 (50 ) + 50 = 150 D. 300 , 150 is correct . ( not be maximised , o. - All the consumer surplus in gone to producers & social surplus is maximised in perfect competition