how to approach P3 case study

Dear Sir Your lectures are brilliant!! Thank you so much for it. I understand a lot from it. Excellent!! I just want to know how I can access that student accountant page to know how to approach the case study qns. I entered the link provided in the video but it seems like the article has been deleted, or removed. How can I have that material as I find it difficult to tackle the Qns1 especially in relation to porters five forces. Kindly help me. Thanks so much again.