Refer to article. http://the conversation.com/taxing-sugary-drinks-would-boost-productivity-not-just-health-79410

Questions (1) to (2) are based on the following: Adam Smith proposed taxing 'sugar, rum and tobacco' becailselthey are: i. 'nowhere necessaries of life ' ii 'objects of almost universal consumption' 1) In consumer theory in Economics, what is the difference between a necessity. and a luxury good? What is the likely difference in the tax revenue obtained from a tax Imposed on a necessity versus a luxury good? Illustrate with the use of appropriate gures. [3+7 marks] ,iiil _ a. 1