Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) All rational economic agents attempt to maximize their income.
B) A rational consumer makes his decisions depending on what the majority chooses.
C) A budget constraint is an economic tool that quantifies the trade-off between the consumption of two goods.
D) A trade-off refers to the exchange of goods between economic agents through the barter system or mutual exchange.