Please note that the letters inside the diagram below (such as G, H, M) refer to the shapes defined by the line segments (solid or dashed) surrounding the letter. P P4 G P3 S H M P2 N Pq K Po R V L D Q3 Q2 Q5 Q Question: A unit sales tax has been collected from the sellers. In the diagram, if the after-tax equilibrium quantity is Q3, relative to the no-tax equilibrium, the amount of the tax (per unit) being paid by buyers (incidence on buyers) is _ O P2 - Po O P3 - P2 O P3 - P1 O P2 - P1