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1. Draw an ER diagram that represents this scenario. Be sure to mark the key attributes. Apples Tuitions School wants to develop an online Mark Management system. This system is to enable the management to view the examination marks made by the tutors. Apples Tuitions School offer 5 subjects which are Physic, Math, Add Math, Biology and Chemistry. Al1 the subjects have one test in each month to assess the students' performance. The tutors must key-in the mark according the number of students. The admin will allocate 2 or 3 subject for a tutor ( 10 marks)