Does every branch require a customer. Does every customer require a branch. Draw below and point to the exact element sof the ER diagram

ER Diagram: Page 5 DEPENDENT Dep Name Carries EMPLOYEE Emp ID Emp Name Emp Addr (Street, City, State, Zip Code) Emp Phone Emp Title Emp Salary {Emp Skill) Emp Age Emp Hire Date Dep Relationship Dep Age Consists of Employs BRANCH Branch No Branch Loc (Address, City, State, Zip Code) Square Footage ITEM Item ID Item Desc Item Type Item Pattern *Item Color Item Size Sells Serves ORDER Order Date Order Credit Status Contains # CUSTOMER Cust ID Cust Name Cust Street Addr Cust City Cust State Cust Zip Code Cust Phone Cust DOB Cust Primary Language ACCOUNT Account No Account Type Account Balance Account Payment Date Account Payment Amount # Owns