Consider the market for commercial fans. The following graph shows the demand and supply for commercial fans before the government imposes any taxes First, use the black point (plus symbol) to indicate the equilibrium price and quantity of commercial fans in the absence of a tax. Then use the green point (triangle symbol) to shade the area representing total consumer surplus (CS) at the equilibrium price. Next, use the purple point (diamond symbol) to shade the area representing total producer surplus (PS) at the equilibrium price Before Tax 150 Demand Equilibrium 120 105 Consumer Surplus 75 ?60 Producer Surplus 45 Supply 15 0 70 140 210 280 350 420 490 560 630 700 QUANTITY (Fans) Consider the market for commercial fans. The following graph shows the demand and supply for commercial fans before the government imposes any taxes First, use the black point (plus symbol) to indicate the equilibrium price and quantity of commercial fans in the absence of a tax. Then use the green point (triangle symbol) to shade the area representing total consumer surplus (CS) at the equilibrium price. Next, use the purple point (diamond symbol) to shade the area representing total producer surplus (PS) at the equilibrium price Before Tax 150 Demand Equilibrium 120 105 Consumer Surplus 75 ?60 Producer Surplus 45 Supply 15 0 70 140 210 280 350 420 490 560 630 700 QUANTITY (Fans)