QUESTION 18 a. With your knowledge in short term decision making, explain the basis for deciding when faced with the following decision types: i. A decision to make a product internally or buy-in that product from an external supplier of further resale. ii. A decision to continue operating or shut down a loss-making business unit. b. Budgeting and budgetary control remains vital to organisation planning. The preparation of a budget is mainly constrained by the principal budget factor. Required: Explain the term principal budget factor with examples