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The following diagram shows supply and demand in the market for laptops. Use the black point (plus symbol) to indicate the equilibrium price and quantity of laptops. 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 + Consumer Surplus 180 O 150 PRICE (Dollars per laptop) Producer Surplus 120 90 30 Supply 15 30 45 60 75 90 105 120 135 150 QUANTITY (Millions of laptops) Total surplus in this market is $189 million