How Are the Slope of a Production Possibilities Frontier and the Opportunity

Multiple Choice

How are the slope of a production possibilities frontier and the opportunity cost of the goods related?

A) The slope is a graphical representation of the cost of expanding production of both goods.
B) The slope is a graphical measure of the growth rate of the economy.
C) The slope is a graphical representation of the cost of decreasing unemployment.
D) The slope is a graphical representation of the rate of trade-off between the goods.
E) The slope is a graphical representation of the cost of economic growth in the economy.