The principle that people face tradeoffs applies to individuals, families and societies.
Tradeoff is an economic term which means that when a person chooses a particular decision, he forgoes other decisions. For example, if a doctor leaves his job to travel the world. He is trading off the income he would earn from working as a doctor to enjoy travelling the world.
Here is the complete question:
The principle that "people face trade-off" applies so:
a) Individuals.
b) Families.
c) Societies.
d) All of the above are correct.
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