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.
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-Refer to Table 3-26. Japan and Korea would not be able to gain from trade if Korea's opportunity cost of one car changed to

A) 1/5 airplane.
B) 1/3 airplane.
C) 3 airplanes.
D) 5 airplanes.