Sam's Sports Car Galaxy, a supplier of sports car auto parts, uses a bar-code system for inventory of the auto parts. Inventory is automatically checked on a regular basis to determine when reorders are needed. The system automatically generates a purchase order (PO) that is sent electronically to an employee for authorization. After approval, the PO is sent electronically to the vendor.

1. Annotate the preceding paragraph.

2. Identify major participants.

3. Identify activities.

4. Identify possible gateways.

5. Identify database tables.