The document outlines a seven step process for justifying investments and costs. The steps include: 1) Understanding the company's investment analysis model; 2) Connecting projects to corporate strategies and objectives; 3) Developing a strong summary with backup details; 4) Understanding all potential benefits; 5) Using numbers to tell a story; 6) Reviewing preliminaries with stakeholders; and 7) Thoroughly checking numbers and assumptions. Following this process can help avoid wasted time and ensure a complete cost justification presentation.