The image si_material_plng_process90.png is the process flow titled Material planning process for style item. Product Data Management: Create bills of material and routings. Right arrow. Enter forecast based on past sales demand. Right arrow. Generate MRP and MPS requirements planning for child style items. Right arrow. Work with matrix messages. Right arrow. Shop Floor Management: Generate work orders. After Work with matrix messages, Group messages using the Grouping Messages program (PCW97). Right arrow. Procurement: Generate purchase orders for outside operations. From Group messages using the Grouping Messages program (PCW97), Analyze components using the Material Analysis of Style Items program (PCW96). Process messages using the MRP/MPS Detail Message Revisions program (P3411). Split and modify messages using the Matrix Management of MEssages program (PCW47).