1. a) Explain the difference between leadership and management and identify what impact each is likely to have on a company that has recently gone through change. (10 marks) b) In the movie "Invictus", Nelson Mandela is identified as a visionary leader who brought major change to South Africa when he became president after his time in prison. Define visionary leadership and fully describe any five characteristics demonstrated by Nelson Mandela that is necessary for any leader who seeks to manage change. (10 marks)