Economy-
- No form of currency.
- Instead of taxes they used crops.
- Incas economy was based on service and trade.
- Cloth was best trade.
- They traded-
- Pots
- Ropes
- Llamas
- Gold
- and Silver
social structure-
- There were 4 classes-
- Noble class
- Public Administrators
- Commoners
- and Ayllu