QUESTION 2 (25 Marks) The following table represents 2017 sales figures for Mthembu's Motors, a car dealership situated in Durban: Jan 45 Feb 125 Mar 20 Apr 150 May 12 June 16 July 130 August 25 Sept 33 Oct 160 Nov 48 Dec 37 Jan 2018 2.1 Using the data in the table above, calculate the 3 period moving average. (15 marks) 2.2 Very often organisations are confronted on decisions on whether to make or buy items. This entails choosing between producing a component or service or purchasing it from an outside source. The purchasing department's role is to evaluate alternative suppliers and provide current, accurate and complete data relevant to the buy alternative. Compare the reasons for "making as opposed to buying". (10 marks)