Map the ER diagram shown (ER diagram for Area-Law - a law firm) into a relational schema. Show all resulting relations (do not forget to name the relations) and their attributes. Clearly indicate all primary keys (underline them) and all referential integrity constraints (i.e. foreign keys) using a line pointing from a foreign key into its source.

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Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.