Question

pregunta 1 (1 punto)
goods & services that are used in place of other goods & services are known as ____.
○ a inferior goods
○ b normal goods
○ c substitutes
○ d complements

pregunta 2 (2 puntos)
the thing that you have to give up in order to have something else is a/an ____.
○ a marginal cost
○ b want
○ c opportunity cost
○ d trade - off

Explanation:

matches the question's description. Marginal cost is the cost of producing one more unit, a want is an unmet desire, and a trade-off is a general exchange rather than the specific value given up.

Answer:

matches the question's description. Marginal cost is the cost of producing one more unit, a want is an unmet desire, and a trade-off is a general exchange rather than the specific value given up.