Figure 9-12

Refer to Figure 9-12. Consumer surplus after trade is

a. $6,400.

b. $9,600.

c. $12,800.

d. $14,400.

Figure 9-11

Refer to Figure 9-11. Consumer surplus in this market after trade is

a. A.

b. C + B.

c. A + B + D.

d. B + C + D.

If the world price of coffee is lower than Colombias domestic price of coffee without trade, then Colombia

a. should import coffee.

b. has a comparative advantage in coffee.

c. should produce just enough coffee to satisfy domestic demand.

d. should produce no coffee domestically.

Table 7-10 The following table represents the costs of five possible sellers.

Seller	Cost
Abby	$1,600
Bobby	$1,300
Dianne	$1,100
Evaline	$900
Carlos	$800

Refer to Table 7-10. If the market price is $1,100, the combined total cost of all participating sellers is

a. $2,800.

b. $2,900.

c. $1,700.

d. $4,000.