This document discusses work in progress (WIP) for a company's finance department. It defines WIP as materials and products that are in the process of being produced but are not yet finished goods. The document outlines how WIP is valued at different stages of completion based on raw materials, labor costs, and overhead. It also discusses how reducing cycle times can lower the amount of WIP being held. Finally, it provides a simple process map example and discusses production techniques like pull-kanban that can optimize costs by minimizing WIP levels over time.