Draw a conceptual data model to model the scenario in each problem. Use the model constructs (e.g., the material on the E-R model and the enhanced E-R model) Be sure to include all appropriate completeness constraints, disjointness constraints, and subtype indicators in your conceptual data models. 1. XYZ Inc has business, school, and residential customers. Attributes of business customers include CustID, Name, Address (StreetAddress, City, State, and ZipCode), and PremiumRate. Attributes of school customers include CustID, SchoolDistrictName, Address (StreetAddress, City, State, and ZipCode), and Vice President. Attributes of residential customers include CustID, ResName (FirstName, MiddleInitial, and LastName), Address (StreetAddress, City, State, and ZipCode), and TotalRate. There are no other types of customers and a few customers are both business and residential customers