the figure below, the cost-effective way to abate 4 units would be
A) For Firm 1 to abate 2 unit and Firm 2 to abate 2 units.
B) For Firm 1 to abate 1 unit and Firm 2 to abate 3 units.
C) For Firm 1 to abate 4 unit and Firm 2 to abate 0 units.
D) For Firm 1 to abate 3 unit and Firm 2 to abate 1 unit.
A) For Firm 1 to abate 2 unit and Firm 2 to abate 2 units.
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