Question

on a production possibility curve, data points that fall outside of the curve represent
an inefficient allocation of resources.
a balanced allocation of resources.
ideal production.
a currently unattainable production.

Explanation:

A production possibility curve (PPC) shows maximum attainable production combinations of two goods with given resources and technology. Points inside are inefficient, on the curve are efficient/balanced, and outside are impossible with current resources.

Answer:

D. a currently unattainable production.