The elements of assumption categories are as follows
| 1. Scope: Definition of business units and product lines to be included
|Markets: Demand patterns by market area, product and shipment size
Distribution Facilities: Locations, operating policies, economic characteristics and performance history of current and potential distribution facilities.
Transportation: Transportation rates for movement between potential and existing distribution facilities and customers
Inventory: Inventory levels and operating policies for each distribution facility
|1. Product Groups: Detailed product information aggregated to fit within the scope of analysis 1. Technique.
2. Market Areas: Customer demand grouped to aggregate market areas to fit the scope of analysis techniques