How to create a data flow diagram or DFD)

Data Management, Inc. (DM) is a supplier that provides data warehousing services to Nova Terra

data storage services to Nova Terra. DM sends a monthly invoice for its services to Nova Terra's accounts payable department of Nova Terra. The invoice is received by Maria Fuentes, who is the department's secretary. Fuentes records the invoice manually in the accounts payable subsidiary. Once registered, the invoice is sent to Mr. Martin Mendoza, who works as an officer in the Cash Disbursement Office. Cash Disbursements Office. Mendoza processes the invoice and prepares a check for payment. The invoice and check are The invoice and check are sent to Laura Rivera, who is Nova Terra's treasurer. Laura approves and signs the check Laura approves and signs the check and then cancels the invoice. She then mails the check to the supplier by mail and sends the canceled invoice back to Martin Mendoza for him to record in the cash disbursement journal and file it. Finally, Maria Fuentes manually records the disbursements from the cash disbursement journal in the accounts payable subsidiary. In the accounts payable subsidiary. This is the same subsidiary she used when she received the invoice at the beginning.

1. DM sends monthly invoice for services to Nova Terra's accounts payable department

2. The invoice is received by Maria Fuentes, who records it in the accounts payable subsidiary

3. Once registered, the invoice is sent to Mr. Martin Mendoza for processing

4. Mendoza prepares a check for payment and sends it to Laura Rivera

5. Laura approves, signs, and cancels the check before mailing it to the supplier

6. Laura also sends the cancelled invoice back to Martin Mendoza

7. Mendoza records the disbursements from the cash disbursement journal in the accounts payable subsidiary

8. Fuentes records the disbursements from the cash disbursement journal in the accounts payable subsidiary