There are 3 levels of Production.Even I a kid knows that.
1)Subsistence
2)Domestic
3)Export.
There are 4 types of Production
1)Primary/Extraction
2)Secondary?Manufacturing
3)Tertiary/Construction
Quaternary/Service
1)Subsistence
2)Domestic
3)Export.
There are 4 types of Production
1)Primary/Extraction
2)Secondary?Manufacturing
3)Tertiary/Construction
Quaternary/Service