When presenting a network design solution to a customer, it is crucial to focus on the benefits that the solution will bring to their business. This includes both tangible returns, such as cost savings, increased efficiency, and improved performance, and intangible returns, such as enhanced security, scalability, and user satisfaction. Highlighting how the solution addresses the customer's specific needs and challenges, and how it aligns with their business objectives, helps in demonstrating the value of the solution and facilitates decision-making. Including tangible and intangible returns in the presentation makes it more compelling and relevant to the customer's business goals, thereby increasing the likelihood of the proposal's acceptance.