A Grey-Fuzzy Multiobjective Model for Supplier Selection and Production-Distribution Planning Considering Consumer Safety

Table 7

Materials and finished products holding costs.

Material/Product	Holding costs ($/unit)
O11	[0.50,0.60]
O12	[0.50,0.60]
O21	[0.30,0.40]
O22	[0.20,0.40]
L1	[0.30,0.50]
L2	[0.50,0.70]
PV1	[1.20,1.80]
PV2	[1.0,1.50]
PV3	[0.90,1.0]
PV4	[0.80.0.90]