Question 6: Draw the DFD (context and level 0) of a warehouse ordering system. A customer can send the order and the system can either take the order then generate an invoice or reject the order. If the system accepts the order, it will then send to the warehouse a packing list. The warehouse would then prepare the shipment and send a confirmation to the system. After receiving the invoice, the customer will send the payment. Once the system receives the customer payment. It will deposit it to the bank.