Integrated Thermal Insulation Packing and Vehicle Routing for Perishable Products in Community Group Purchase

Table 6

Calculation results for each case.

	Instance of nonrefrigerated vehicle					Instance of refrigerated vehicle
	Base case	Case 1	Case 2	Case 3	Case 4
Profit	25373.6	52542.1	24916.6	25217.7	25041.8	25172.11
Percentage of the total cost of using an unrefrigerated vehicle
	Base case (%)	Case 1 (%)	Case 2 (%)	Case 3 (%)	Case 4 (%)
Fixed cost	16.47	14.95	12.23	14.61	13.15
Packaging cost	21.00	37.91	51.24	18.68	16.81
Refrigerant cost	37.53	26.24	18.92	44.47	50.02
Fuel cost	25	20.91	17.84	22.25	20.02