Hi - Please see the attached question. Thank you very much in advance.

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 F G P3 H K P2 L M N R P1 MC = AC D Q3 Q2 Q1 Q MR In the diagram, at Q3 the demand is O either elastic or inelastic (need more information) O unit elastic O inelastic O elastic