The following diagram shows supply and demand in the market for tablets.

Use the black point (plus symbol) to indicate the equilibrium price and quantity of 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 PRICE (Dollars per tablet) 150 120 Producer Surplus 90 60 30 Supply 0 0 30 60 90 120 150 180 210 240 270 300 QUANTITY (Millions of tablets)