Question: B. Draw a Modular Design for a Customer Payment Process: The System initiates a transaction when a customer places an order through a credit card.

B. Draw a Modular Design for a Customer Payment Process:

The System initiates a transaction when a customer places an order through a credit card. It checks for the credit card validity. If the credit card is not valid, the system must send the customer a message for invalid credit card details. The system checks the credit card for its available funds.

When the transaction is complete, the system updates the customer information database and sends the customer a receipt via email.

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