The Production Possibilities Frontier for a Country Is Usually Drawn

Multiple Choice

The production possibilities frontier for a country is usually drawn

A) as a straight line, sloping downward.
B) as a straight line, sloping upward.
C) bowed outward from the origin.
D) bowed inward toward the origin.
E) as a dotted line when sloping downward and as a full line when sloping upward.