The imposition of a per-unit tax on Supply Exhibit the effect of the tax on: Pre-tax Price and Quantity Pre-tax Total expenditure on the good Pre-tax Producer and Consumer surplus Effect of a per-unit tax on the Supply curve Post-tax equilibrium Price and Quantity Post-tax Price charged to buyers Post-tax Price received by sellers Post-tax Total expenditure on the good Post-tax revenue received by sellers Tax take by Government Post-tax Producer and Consumer Surplus

S D0D0 Price 0 Quantity Q0Q0 P0P0 Pre-Tax Equilibrium

S D0D0 Price 0 Quantity Q0Q0 P0P0 Pre-Tax Equilibrium Total Expenditure A

S D0D0 Price 0 Quantity Q0Q0 P0P0 Consumer Surplus Producer Surplus Pre-Tax Equilibrium

S D0D0 S1S1 Price 0 Quantity Q0Q0 Q1Q1 P0P0 P1P1 P2P2 Post-Tax Equilibrium A B C T

S D0D0 S1S1 Price 0 Quantity Q0Q0 Q1Q1 P0P0 P1P1 P2P2 Post-Tax Equilibrium A B C Revenue to Suppliers

S D0D0 S1S1 Price 0 Quantity Q0Q0 Q1Q1 P0P0 P1P1 P2P2 Post-Tax Equilibrium A B C Expenditure by Consumers

S D0D0 S1S1 Price 0 Quantity Q0Q0 Q1Q1 P0P0 P1P1 P2P2 Post-Tax Equilibrium A B C Tax take by Government

S D0D0 S1S1 Price 0 Quantity Q0Q0 Q1Q1 P0P0 P1P1 P2P2 Post-Tax Equilibrium A B C Consumer Surplus Producer Surplus