The ministry of education wants to create a database system to manage the schools. There are several teachers in the school. The teacher teaches in one school. The school has a supervisor for each subject. The supervisor supervises many schools. You are required to: Construct an ERD for the school management system. The ERD must show the cardinality ratio. Identify the attributes you need to create the school management system database and show them using the ERD. 7 iB I !!! III U S X2 x2