The Customer class represents any person who has done business with us or who we think might do business with us in the future. Its attributes are:

• Customer first name.
• Customer last name.
• Customer phone.
• Customer street.
• Customer zip code.

The Order class represents an event that happens when a customer decides to buy one or more of our products. Its attributes are:

• Order date.
• Sold by, which identifies the sales person.

The association between customer and order classes is:

• Each customer places zero or more orders.
• Each order is placed by one and only one customer.

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