A. X is a by-product of Y
B. X and Y are produced by the same firm
C. increase in the quantity of X leads to a decrease in Y
D. X and Y cannot be produced in the same process
Correct Answer:
Option B = X and Y are produced by the same firm
A. X is a by-product of Y
B. X and Y are produced by the same firm
C. increase in the quantity of X leads to a decrease in Y
D. X and Y cannot be produced in the same process
Correct Answer:
Option B = X and Y are produced by the same firm
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