question below

Mos $150- MOP $125 - C : $75- $50- $25- D Q 50 100 150 200 250300 20) The above figure shows the market for steel ingots. If the market is competitive, then to achieve the socially optimal level of pollution, the government can A) outlaw the production of steel. B) institute a specific tax of $25. C) institute a specific tax of $50. D) institute a specific tax equal to area b