< A. Diagram 1 depicts the general model for accounting information systems (AIS). < The Accounting Information Systems The External Environment Database Management External Sources of Data Data Collection Data Processing Information Generation External End Users Feedback Internal Sources of Data Internal End Users Feedback Diagram 1 (a) Describe ONE (1) purpose of database management in AIS. (2 Marks) < (b) Explain the relationship among data, data processing and information generation in the context of AIS. (3 Marks) < (c) Explain ONE (1) importance of feedback in AIS. (2 Marks) < B. Suggest TWO (2) differences between General Ledger/Financial Reporting System (GL/FRS) and Management Reporting System (MRS) in AIS. (4 Marks) < C. Compare between the roles of accountants as a system user and system designer in AIS. < (4 Marks)