18. (Figure 3.6) An increase in demand caused consumer surplus to change from to O $4,000;...

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18. (Figure 3.6) An increase in demand caused consumer surplus to change from to O $4,000; S9,000 O $8,000; $12,000 O $16; S36 $8; $12 Price (S/pound) $20- 18- 16- 14 12 10- 8- 6- 4 2- 23 45 6 7 8 9 10 11 Quantity (1,000s of pounds) 18. (Figure 3.6) An increase in demand caused consumer surplus to change from to O $4,000; S9,000 O $8,000; $12,000 O $16; S36 $8; $12 Price (S/pound) $20- 18- 16- 14 12 10- 8- 6- 4 2- 23 45 6 7 8 9 10 11 Quantity (1,000s of pounds)