The student has successfully identified the key concept of sustainability in their IA, which is clearly indicated on the title page and explored throughout the research question, focusing on Adidas' CSR practices. The student centered their investigation on Adidas, providing relevant background information and a clear outline of the issue, including the impact of CSR on brand image and financial performance. While the research question lacks a clear temporal focus, the student effectively discussed industry-wide issues and their direct impact on Adidas. Additionally, the methodology is well-explained, incorporating both primary and secondary research, and the connection between sustainability and Adidas is consistently analyzed throughout the IA.