Question $3$: Entity Relationship Diagram $(7$pts$)$

The Library Management System database working is based on the following assumptions.

The Library Management System keeps track of all users with name, a single$-$point authentication via user ID and password. The special feature access is granted based on the users' role $($such as admin, employee or member$).$

The library admin has full control over the entire library management system. The admin can add new employees. The employees, in turn, can add new members.