Draw flow chart for following four scenarios:

1. Billing data are entered into a system from a terminal and used to update both the sales order database and the customer database.

2. Data from a paper invoice are used to update the cash disbursements file.

3. The system prepares two copies of a sales order; one copy is sent to the customer and the other is filed.

4. An accounts receivable aging report is prepared from the accounts receivable master file and the cash receipts master file