A Mathematical Approach to Supply Complexity Management Efficiency Evaluation for Supply Chain

Table 7

Projection point and excess quantity of input.

DMU	Input factor
	Excess quantity of input			Projection point
	Samsung Electronics	0	0	0	29	159	13
SK Holdings	6.27	128.55	7.48	14.72	82.44	17.51
Hyundai Motor	17.44	31.49	4.55	13.55	58.50	8.44
POSCO	1.46	217.12	0.72	8.53	46.87	4.27
LG Electronics	23.45	62.08	10.55	9.54	37.91	6.44
KEPCO	0	0	0	7	76	241
KIA Motor	18.78	14.67	22.89	13.21	10.32	16.10
GS Caltex	12.39	7.74	31.36	11.60	7.25	18.63
Hanwha	52.06	196.92	14.78	4.93	27.07	2.21
KOGAS	0	0	0	6	20	31
S-Oil	0	0	0	9	3	11
Lotte Shopping	30.62	50.48	61.24	6.37	10.51	12.75

: the number of goods, : the number of providers, and : the number of plants.