How to choose the best notebook?

Good afternoon ladies and gentleman.I am so happy here with you.As most of you have known, I am Katie Lee, a university student.Today my topic is how to choose the best notebook.My presentation is divided into three main parts.Including how to choose the brand, limit the budget and use after-sales service.At the end of my presentation, I hope you will learn how to be a smart buyer.The whole presentation will take about twenty minutes.Please feel free to ask any questions after my presentation.