Electronic ERD drawing for these requirements:

The ER diagram for the scenario you described would include entities for Services, Employees, and Customers, with relationships connecting them. The relationships would likely include:

- A "manages" relationship between Employees and Services, where one employee can manage one service, and one service can be managed by one employee.

- A "provides" relationship between Services and Customers, where one service can be provided to one customer, and one customer can receive multiple services.

- A "has" relationship between Customers and Bill, where one customer can have many bills, and one bill can belong to one customer.

NOTE: No handwriting