. Complete the ER diagram (below) based on the following business rules:

-- split M:N relationships into two 1:M relationships

-- indicate all cardinalities and connectivities

Department employs many employees, but each employee is employed by one department.

Some employees, known as "rovers," are not assigned to any department.

A division operates many departments, but each department is operated by one division

An employee may be assigned to many projects, and a project may have many employees assigned to it

A project must have at least one employee assigned to it

One of the employees manages each department, and each department is managed by only one employee.

One of the employees runs each division, and each division is run by one employee.