An ER Model includesI. An ER diagram portraying entity types.II. Attributes for each entity typeIII. Relationships among entity types.IV. Semantic integrity constraints that reflects the business rules about data not captured in the ER diagram.

• A. I, II, III u0026 IV
• B. I u0026 IV
• C. I, II u0026 IV
• D. I u0026 III