The Order-to-Cash (Project-Based Services) business scenario is used to manage the complete end-to-end process of selling project-based services to customers. This scenario integrates sales quotes and sales orders with project management allowing you to create customer invoices for time and expenses recorded against a customer project. Invoices can be created on a time and materials basis, a fixed-price basis, or a combination of both. After the customer invoice has been issued, customer payments can be monitored. This scenario also supports the analysis of project profitability based on project costs and revenues.
To explore this scenario further, have a look at http://bit.ly/1cjmL89.
To have a look at the other business scenarios that SAP Business ByDesign offers, check out the Comprehensive Visualization and Exploration of All Business Scenarios section on http://help.sap.com/byd-en