ZYX COMPANY Observe the ER Diagram for the ZYX COMPANY

Multiple Choice

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) A customer can be signed up by many employees and he or she has to be signed up by at least one employee
B) A customer can be signed up by one employee or he or she does not have to be signed up by any employees
C) Each customer is signed up by exactly one employee
D) Customers are not signed up by employees