Answer:
The dead-weight loss from the tax is $2,250
Explanation:
Free market equilibrium price is P1
Total social economic benefit is the sum of:
When tax is imposed, quantity is reduced, price increased to P2 for consumer, P0 for supplier.
The part of the loss from consumer and producer surplus is compensated with the revenue from tax.
The other part (red triangle) is the dead-weight loss. Its amount is given by the area of the triangle with:
S = [tex]\frac{1}{2} \times 15 \times 300 = 2,250[/tex]