<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2013) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2013) (Learn how and when to remove this template message) </Td> </Tr> <P> Work in process (WIP), work in progress (WIP), goods in process, or in - process inventory are a company's partially finished goods waiting for completion and eventual sale or the value of these items . These items are either just being fabricated or waiting for further processing in a queue or a buffer storage . The term is used in production and supply chain management . </P> <P> Optimal production management aims to minimize work in process . Work in process requires storage space, represents bound capital not available for investment and carries an inherent risk of earlier expiration of shelf life of the products . A queue leading to a production step shows that the step is well buffered for shortage in supplies from preceding steps, but may also indicate insufficient capacity to process the output from these preceding steps . </P>

What does work in progress stock consist of