Figure 2-3 -Refer to Figure 2-3. Sergio Vignetto Raises Cattle and Llamas

Multiple Choice

Figure 2-3
-Refer to Figure 2-3. Sergio Vignetto raises cattle and llamas on his land. His land is equally suitable for raising either animal. Which of the graphs in Figure 2-3 represent(s) his production possibilities frontier?

A) Graph A
B) Graph B
C) Graph C
D) either Graph A or Graph C
E) either Graph B or Graph C