Research on E-Commerce Purchasing Model in Crude Oil Trade

Table 5

Formula to purchase the cost of crude oil from various suppliers.

Supplier	Daqing oilfield	Jilin oilfield	Russian imports	Inner Mongolia cooperation	Shuangyang foreign investment cooperation
Price	5886	5886	6219	5055	5055
Score	7	7	6	8	8
Transport fees	70	51	70	89	32
Score	7	8	7	6	10
Financial expenses	45	45	75	45	35
Score	8	8	5	8	10