Answer the following questions by providing enough explanation and using examples wherever possible. Your answer will be assessed based on $($a$)$ the extent to which you have answered the questions concisely, clearly, and completely; $(2)$ the level of comprehensiveness $($too much can be almost as bad as too little$)$; and $(3)$ the depth and breadth of the insight demonstrated, and the examples provided.

Nowadays, it has become a challenge for companies to keep their competitive advantage for a long period of time. $($a$)$ Why is that the case? Why are competitive advantages temporary? $(2$ Marks$).($b$)$ Explain how IT can be used to regain or develop a new competitive advantage. $(3$ Marks$).($c$)$ How does a company's use of information systems help keep its business model dynamic? $(2$ Marks$).($d$)$ What does globalization have to do with management information systems in organizations? $(3$ Marks$).(10$ Marks in total$)$