Each customer has one address and there is one customer for each account. The receipt is made out to the customer when a payment is received. Each receipt is for one customer only. Each customer has one address.

The attributes of the table are CUSTOMER_ID, RECEIPT_NO, AMOUNT RECEIVED, CUSTOMER_NAME, CUSTOMER_ADDRESS, RECEIPT DATE.

1. Identify all the functional dependencies

2. What is the primary key of the table?

3. What is the normal form of the table?

4. Convert it to 3NF.