This is a course portfolio assignment for Week 10 of the PPMP20011 course, focusing on 'Contractual Arrangements in Commercial Projects'. Students are required to analyze various readings including the Australian National Audit Office guide, HB 140-2000 Administration Manual, and PMBOK Chapter 12. A case study on the Chunnel Project is examined, exploring challenges like poor scope planning and funding issues. The assignment encourages students to reflect on their learnings from prior course readings and assignments, incorporating supporting documentation and insights from other units studied.