Draw a data model for the following entities, considering the entities as representing a system for a patient billing system and including only the attributes that would be appropriate for this context: - Patient (age, name, hobbies, blood type, occupation, insurance carrier, address, phone); - Insurance carrier (name, number of patients on plan, address, contact name, phone); and - Doctor (specialty, provider identification number, golf handicap, age, phone, name). To draw the entities use word tables, for example