Use the black point (plus symbol) to indicate the equilibrium price and quantity of used tablets. Then use the green point (triangle symbol) to fill the area representing consumer surplus, and use the purple point (diamond symbol) to fill the area representing producer surplus. Demand 300 + 270 Equilibrium 240 A 210 180 Consumer Surplus 150 PRICE (Dollars per used tablet) 120 Producer Surplus 90 60 30 Supply 0 15 30 45 60 75 90 105 120 135 150 QUANTITY (Millions of used tablets) Total surplus in this market is $ million