enRED@me is a social network designed to meet the needs of more mature Internet users. Users create a profile and participate in conversations in groups, creating community and friendships on a virtual platform. One of the challenges for the creators of this social network platform is how to monetize the process is a sustainable manner, especially as competitors begin to enter the market. In this case, students are confronted with the challenge of how to structure the pricing and costs of an online platform in a way that produces sustainable profitability. This case includes practical exercises that require students to link conceptual knowledge of management accounting procedures to real numbers. It challenges them to propose a solution which meets the goals and needs of the company.