a) Explain three ways a business can use information systems for competitive advantage. (9 marks) b) Define the term: i. Enterprise Resource Planning (ERP) (2 marks) ii. Outline five (5) benefits accrued from the use of ERP system. (5 marks) c) Artificial intelligence (AI) is an area of computer science that uses a collection of different programming techniques and languages to mimic human thinking, reasoning and abilities especially in critical situations, outline four domain of Al. (4 marks)