Figure 34-4 ​

Figure 34-4
​
-In Figure 34-4, the opportunity cost of a unit of wheat in terms of cotton is

A) 1 for the United States and 5 for Egypt.
B) 20 for the United States and 2 for Egypt.
C) 1 for the United States and 2 for Egypt.
D) 20 for the United States and 10 for Egypt.