Answer:
c. unemployment of resources is shown by shifting the PPF inwards
Step-by-step explanation:
The production possibilities frontiers (PPF) would be moved from one point to another that represents the trade off between the two goods. In case of the expansion in an economy the PPF would be shift outwards and when there is a loss than the same is to be shifted inward
And, the movement of the shift could be based on the economy condition
Therefore in the given case, the option C should be selected