EFFICIENCY Use the graph below to answer questions I through 7. Price ($) 20 15 ... Supply 10 7.50 5 Demand 100 a7 5 0 20 40 60 80be Quantity 1. The marginal benefit of the 20" unit is: $20. b. $15. C. $10. YMed. $7.50. 2. The marginal cost of the 20" unit is: a. $20. b. $15. C. $10. d. $7.50. 3. The marginal benefit of the 40 unit is; a. $20. b. $15. C. $10. d. $7.50. 4. The marginal cost of the 40" unit is: $20. b. $15. 0. $10. d. $7.50 5. If the price of this product is $10 per unit, consumers will purchase units and consumer surplus will equal $ a. 20: 50 b. 20; 200 40: 50 d. 40; 200 6. If the price of this product is $10 per unit, firms will sell units and producer surplus will equal $ A. 20; 25 b. 20; 100 C. 40; 25 d. 40: 100 7. The efficient level of output is units because marginal benefit equals and the sum of consumer and producer surplus is 40; 40;0 C. 40; MC; maximized a. d. 20; 40; maximized b. 20; MC; 0 49 Chapter 6 Assignments