(c) Concise Limited makes a component for one of the engines that it builds. It uses, on average, 2,000 of these components, steadily throughout the year. The component costs $16 per unit to make and it costs an additional $320 to setup the production process each time a batch of components is made. The holding cost per unit is 10% of the unit production cost. The company makes these components at a rate of 200 per week, and the factory is open for 50 weeks per annum. Calculate the Economic Batch Quantity EBQ. (5 marks) (d) List and explain seven key purposes of a budgeting system. (7 marks) (e) Briefly explain any four (4) approaches to budgeting