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s 4,5,6, and 7 Figure 4-7 50 45 Supply 40 35 PRICE 20 15 10 Demand 100 200 300 400 500 600 700 800 900 1000 QUANTITY Refer to Figure 4-7. Equilibrium price and quantity are, respectively, O a. 535 and 200 units. b. 525 and 400 units. c. $25 and 600 units. d. $15 and 200 units