In the fields of production, reducing the cost of transport is better, but the cost to transport 2 Pack the items may have been added to the production process. In the Pack. The Pack must be added labor cost box.
In terms of production Reducing the cost of transportation is good. But reducing the cost of transport of the two-pack product may cause an increase of the production process. To pack the goods The pack must be added the cost of the labor.
In the aspects of production, reducing the transportation cost is good. But to reduce the cost of transportation model that 2 pack goods may be added to the production process in the pack to pack goods must be added the cost value box. The wages.