Concept:Any point inside the production possibility curve shows inefficient use of available resources.
Explanation:The production possibility curve (PPC) shows the maximum possible output when all resources are fully and efficiently used.
A point on the curve means full employment of resources.
A point outside the curve is unattainable with current resources.
A point inside the curve, like point
x, means that the economy is not producing at its full capacity.
This shows that some resources are idle, unemployed, or underemployed.
Answer:C. some resources are idle