Multiple Choice
After swimming 100 laps at the pool,Erik decides to swim 10 more before lifting weights.Which economic principle does this statement BEST represent?
A) Choices are necessary because resources are scarce.
B) The true cost of something is its opportunity cost.
C) "How much" is a decision at the margin.
D) There are gains from trade.
Correct Answer:
Verified
Correct Answer:
Verified
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