Refer to the Figure Above

Refer to the figure above.The firm is facing an emissions charge of t and an abatement cost curve of MAC₁.If the firm is able to lower its abatement cost curve to MAC_2, it will

A) emit at level e₁ and save (d+e)
B) emit at level e₁ and save (d)
C) emit at level e₂ and save (c+d)