unit: KRW million

	2007	2008	2009
Total current assets	849,902	787,586	859,048
Quick Assets	790,849	743,597	823,786
Inventories	59,053	43,989	35,262
Total non-current assets	246,930	362,905	353,255
Investment Assets	142,738	224,413	222,326
Property, plant and equipment, net	79,264	119,129	115,909
Other non-current assets	24,928	19,363	24,928
Total Asset	1,096,832	1,150,491	1,212,303
Total current liabilities	654,071	797,461	459,714
Total non-current liabilities	212,712	76,396	477,615
Total Liabilities	866,783	873,857	937,329
Capital Stock	107,600	107,600	107,600
Capital Surplus	75,591	75,591	75,591
Capital adjustments	(22,230)	(22,230)	(22,230)
Accumulated other comprehensive income	(41)	88,385	83,742
Retained earnings	69,129	27,288	30,271
Total stockholders' equity	230,049	276,634	274,974
Revenue	1,313,444	1,204,885	977,001
Operating income	76,644	10,717	16,583
Net incomes (loss)	27,095	(32,972)	2,983