Description Statement: we are building an implementable Entity relationship diagram $($no M: N$$s$)$ for an HR Department of some company to track Employees and the Managers they report to$.$

Business Requirements:

The following business requirements describe our project:

$1.$ We have a lot of employees, and we want to track attributes such as Employee ID $($the identifier$),$ First Name, MI$,$ Last Name, Date of Birth, Date of Hire, and ID of the manager they report to$.$

$2.$ Not all employees will be a manager.

$3.$ Not all employees will have a manager.

$4.$ Each employee, if they have a manager, will only have a manager.