For supply chain logistics analysis, it is necessary to identify and track the costs associated with manufacturing and purchasing. While manufacturing plant locations may not be a variable component in a logistical system design, it is typically necessary to consider the number and location of plants, product mix, production schedules, and seasonality. Policies and costs associated with inventory transfer, reordering, and warehouse processing must be identified. In particular, inventory control rules and product allocation procedures are important elements. Finally, for each current and potential warehouse, it is necessary to establish operating costs, capacities, product mix, storage levels, and service capabilities.