Answer:
The answer is:
1 - Underutilization
2 - Efficiency
3 - Unattainability
Step-by-step explanation:
Efficiency in economics means a situation in which all resources are optimally distributed to serve each entity in the best way while minimizing waste and inefficiency.
Underutilization in economics is also a a situation in which lesser resources are being utilized than the economy is capable of utilizing.
Unattainability is a situation in which what one to accomplish or achieve is not possible.
1 - Underutilization
2 - Efficiency
3 - Unattainability