Answer:
See explaination
Step-by-step explanation:
Entity-Relationship (ER) Model can be described as a data model that is based on the notion of real-world entities and relationships among them. While formulating real-world scenario into the database model, the ER Model creates entity set, relationship set, general attributes and constraints.
ER Model is best used for the conceptual design of a database.
ER Model is based on −
Entities and their attributes and
Relationships among entities.
Please kindly check attachment for the entity relationship model of the business.