Using the diagram above, calculate the size of an indirect tax that would eliminate the externality, the total tax revenue that the government would collect, and the resulting equilibrium quantity after the imposition of the tax.
| Size of indirect tax per unit | Total tax revenue | Quantity bought and sold after tax |
A. | $2 | $1400000 | 700000 unites |
B. | $2 | $ 1200000 | 600000 units |
C. | $1 | $ 1200000 | 600000 units |
D. | $1 | $ 1400000 | 700000 units |