Save Answer Question 19 6 points Regarding the entity relationship diagram below, which of the following statements is/are correct? Select all that are correct. EMPLOYEE Employee ID Employee_Name Employee_Date_of_Birth Is_managed_by Manages Employee Date of Birth is the primary key Two different relationships exist for the situation: 'is managerd_by and Manages. Each employee is managed by exactly one manager Each employee manages zero to many other employees, Each employee does not manage any other employee. Each employee is managed by at most one other employee