Generate demand Forecast for sub assembly items instead of finished good items

Summary: Demand Forecast for sub assembly items instead of finished good items

Content (required): Our client manufactures gaint rolls from the raw materials and stocks in inventory. The customer places an order for various sizes of cut rolls. Client uses the master rolls from the stock and cut as per the customer requriement and ship the products. Here the cut sizes can vary time to time and not so important for client. Since the client is shipping the cut rolls the forecast ig getting generated at this level which is not important for client, they want to see the forecast at the master roll level (Sub assembly) and feed the same to