Which of the following correctly identifies the trade-off that a budge

Which of the following correctly identifies the trade-off that a budget constraint represents?

A) The amount of one good that has to be given up to purchase an additional unit of the other good
B) The optimum combination of goods that a consumer with a given income should purchase
C) The maximum amount of two goods that a consumer can purchase given his income
D) The amount of income that must be given up to obtain an additional unit of a good

ANSWER

A