PPC Represents Opportunity Cost and Efficiency

Steps:

• Identify the PPC as a curve showing maximum combinations of two goods producible with fixed resources.
• Locate points: inside curve indicates inefficiency; on curve shows efficiency; outside is unattainable.
• Analyze movement along curve for trade-offs between goods.
• Determine the question's focus, likely on efficiency or opportunity cost based on points.

Why B is correct:

• Option B identifies a point on the PPC, aligning with the definition of productive efficiency where all resources are fully utilized.

Why the others are wrong:

• A: Describes an inside point, indicating underutilization of resources (inefficiency).
• C: Refers to a point beyond the curve, which violates the law of scarcity as it's unattainable.
• D: Misinterprets the curve's slope, ignoring increasing opportunity cost principle.

Not enough information on exact choices or diagram to confirm specifics.

Final answer: B