The following table shows the units of output a worker can produce per month in country A and country B.
Country
Food
Electronics
Country A
20
5
Country B
12
4
The opportunity cost of I unit of food in country A is
A. ¼ of a unit of electronics.
B. ½ of a unit of electronics.
C. 1/3 of a unit of electronics.
D. All of these.
Answer: A
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