An Optimal Hierarchical Decision Model for a Regional Logistics Network with Environmental Impact Consideration

Table 6

Revenue and assignment of the transfer logistics nodes.

Node	Flow (tons/week)	Unit price fare of transfer service ($/ton)	Fixed cost ($/week)	Variable cost ($/ton)	Profit ($/week)
1	0	3.50	0	1.75	0.00
2	0	3.50	0	1.75	0.00
3	0	2.98	0	1.75	0.00
4	33.2	2.63	20	1.75	9.05
5	625.61	2.80	80	1.75	576.89
6	109.32	3.50	20	1.75	171.31
7	335.14	3.50	80	1.75	506.50
8	0	3.50	0	1.75	0