A business object model, which reflects data that is used during a given business transaction, is utilized to generate interfaces. This business object model facilitates commercial transactions by providing consistent interfaces that are suitable for use across industries, across businesses, and across different departments within a business during a business transaction. In some operations, software creates, updates, or otherwise processes information related to an assortment plan, a merchandise and assortment planning assortment, a merchandise and assortment planning material, a merchandise and assortment planning product procurement arrangement, a merchandise and assortment planning sales price specification calculation, and/or a merchandise and assortment planning store layout element business object.