<In Millions of Korean Won>   2006 2005 2004 2003 2002 Revenue 19,945 18,656 17,220 14,244 12,574 Cost of Sales 9,596 7,997 8,356 6,181 5,403 Gross profit 10,349 10,659 8,863 8,063 7,171 SG&A expenses 8,711 8,024 6,716 5,949 4,483 Operating profit 1,638 2,635 2,147 2,114 2,687 Non-operating profit 1,991 690 601 404 217 Non-operating expenses 523 68 19 157 10 Net income before income taxes 3,106 3,257 2,729 2,361 2,894 Net profit 2,402 2,400 1,954 1,711 2,332   HomeInvestor RelationsInCome Statement