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I. Briefly explain the Object-Oriented concept and list four principles of Object Orientated Programming. ( 5 marks) II. To develop an online and mobile banking system using object-oriented programming (OOP), we need to identify the classes and methods that will enable us to model the system's behavior and data. a. Identify the possible classes and methods to implement the above banking system using the OOP concept. (10 marks) b. A customer wishes to open a bank account by depositing Rs 10,000.00 into his saving account. Then the customer wants to withdraw Rs 2500.00 from the saving account and check the last bank balance. Represent the logic of the above scenario using the OOP concept. (10 marks)