Answer:
It is not efficiently using all of its resources.
Explanation:
PPC is the graphical representation of product combinations that an economy can produce, given resources & technology.
- Points on PPC reflect the best potential production of economy, by best efficient utilisation of available resources & technology.
- Any point under PPC reflects production under best potential of economy, by inefficient utilisation of resources.
- Points beyond PPC are unattainable, unless growth in either resources/ technology shifts the PPC curve outwards.