This article is fine. To make it easier for you and the school, make a document where you talk about the plan of how you’ll be doing your IA.
1.) Include Economic concepts you’re covering and how you’ll link it to the case (which is the article)
2.) how will the terms be defined.
3.) Include which diagram will be used, what terms will the diagram be explaining (e.g consumer surplus) and also include the number of graphs you’ll use! Even though you’re allowed 2
4.) Include stakeholder analysis.
5.) Benefits and limitation to society and people in the society.
6.) strategies that can help in avoiding the trouble of imposing.