1 EXHIBIT 12 COMPUTATION OF THE RATIOS OF CURRENT ASSETS TO CURRENT LIABILITIES FOR THE YEARS 1998, 1997 AND 1996 1999 1998 1997 ---- ---- ---- Current Assets 5132 5440 4690 Current Liabilities 4180 3478 2641 ---- ---- ---- 1.23 1.56 1.78