ZYX COMPANY Observe the ER Diagram for the ZYX COMPANY

ZYX COMPANY
Observe the ER diagram for the ZYX COMPANY:

This ER diagram will be used for the following questions citing ZYX Company ER Diagram.
-Which of the following is true according to the ZYX Company ER diagram?

A) We cannot keep track of employees that do not sign up any customers
B) We cannot keep track of employees that do not serve any customers
C) We cannot keep track of employees that serve multiple customers
D) We cannot keep track of employees that sign up multiple customers