a. Briefly discuss the essential differences for a business between short-term, day-to-day decisions, and long-term, year-to-year ones. Your answer should include an example of each relating to an organisation with which you are familiar (7 marks) b. Explain the essential differences for a business between action, personnel and results controls. Discuss with reasons, which of these three controls would be most relevant for a particular organisational task for an organisation with which you are familiar, (8 marks) C. Explain, using an appropriate example, what is meant by 'management by exception (4 marks) d. What is the 'controllability principle'? Briefly discuss, the difficultly of applying such a principle in practice. (6 marks)