Emerging Electric wishes to create a database with the following entities and attributes:

Customer, with attributes Customer ID, Name, Address (Street, City, State, Zip Code), and Telephone

Location, with attributes Location ID, Address (Street, City, State, Zip Code), and Type (values of Business or Residential)

Rate, with attributes Rate Class and RatePerKWH

After interviews with the owners, you have come up with the following business rules:

Customers must have one or more locations.

Each rate can be associated with several locations

The rate charge for a location can also vary depending on the time of day.

Based on this scenario, draw an ER Diagram for Emerging Electric indicating ALL the cardinalities. If the information provided are not enough, state any assumptions that you have made while drawing your diagram.