EXHIBIT 12 COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (dollars in thousands) FOR THE YEARS ENDED SEPTEMBER 30, 2004 2003 2002 2001 2000 - ----------------------------------------------------------------------------------------------------- Income before taxes $993,866 $700,203 $578,275 $637,790 $739,591 Add fixed charges: Interest expense-excluding interest on deposits 32,254 22,924 18,108 21,336 22,580 Interest expense-deposits 4,295 6,122 9,812 10,768 2,742 Interest factor on rent /1 13,020 13,413 20,977 20,228 19,170 - ----------------------------------------------------------------------------------------------------- Total fixed charges $49,569 $42,459 $48,897 $52,332 $44,492 - ----------------------------------------------------------------------------------------------------- Earnings before fixed charges and taxes on income $1,043,435 $742,662 $627,172 $690,122 $784,083 - ----------------------------------------------------------------------------------------------------- Ratio of earnings to fixed charges- including interest on deposits 21.1 17.5 12.8 13.2 17.6 Ratio of earnings to fixed charges- excluding interest on deposits 23.0 20.3 15.8 16.3 18.7 - ----------------------------------------------------------------------------------------------------- /1 Interest factor on rent represents one-third of rental expense (the approximate portion of rental expense representing interest).