A tiny application for helping with the selling of used books to new students at IIT Mandi.
- Track available inventory.
- Track transactions.
- Track items sold.
- Compute amount due for a transaction.
- Save amount sold for a transaction.
- Person: Name (string)
- ItemClass: Title (string), Price (Integer)
- ItemInstance: ItemClass (ItemClass), Owner (person), Transaction (Transaction; the one in which it was sold)
- Transaction: CustomerName (String), AmountPaid (Integer)