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nguyenduong67 nguyenduong67
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7 years ago
The saying that "There's no such thing as a free lunch" refers to the
A) principle of opportunity cost.
B) marginal principle.
C) reality principle.
D) spillover principle.
Textbook 
Survey of Economics: Principles, Applications and Tools

Survey of Economics: Principles, Applications and Tools


Edition: 6th
Authors:
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tristiontristion
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7 years ago
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nguyenduong67 Author
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7 years ago
This helped my grade so much Perfect
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Yesterday
Thanks for your help!!
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2 hours ago
Good timing, thanks!
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