Table 3-26 Assume That Japan and Korea Can Switch Between Producing Cars

Multiple Choice

Table 3-26
Assume that Japan and Korea can switch between producing cars and producing airplanes at a constant rate.
​
-Refer to Table 3-26. Suppose Korea decides to increase its production of cars by 18. What is the opportunity cost of this decision?

A) 3 airplanes
B) 6 airplanes
C) 16 airplanes
D) 150 airplanes