I need assistance creating three use case diagrams for an inventory management mobile application based on specific requirements. The application serves customers, employees, and managers.

Requirements:

Customers:

Need to view in$-$stock$/$out$-$of$-$stock items.

Can place orders from their mobile devices.

Employees:

Must have constant access to inventory levels.

Receive notifications for reordering items when inventory levels are low.

Can manage inventory from their mobile devices.

Managers:

Different access levels compared to employees.

Have access to more advanced inventory management features.

Receive notifications for reordering items.

Can manage users and department inventory from their mobile devices. please add pictures if possible