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Yields in the table above are calculated using the book value of the security and the contractual interest or stated dividend rates asso- ciated with each security adjusted for any amortization of premiums and discounts. Tax effects are not taken into consideration. 

Securities of designated countries include any securities that we receive as part of a debt restructuring by a foreign country. They are recorded net of any country risk allowance (see Note 4) that we have allocated to these securities. 

The term to maturity included in the table above is based on the contractual maturity date of the security. Securities with no maturity date are included in the over 10 years category. 

During the year ended October 31, 2001 we sold our investment in Grupo Financiero BBVA Bancomer and realized a gain of $321 ($272 after tax). The gain was net of unrealized translation losses of $99. 

Interest income and gains and losses from securities are: 

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Interest expense is not included in the amounts shown above. 

(a) Included in write-downs for 2002 is $103 and for 2001 is $225 related to our equity investments in collateralized bond obligations. 

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traded securities, we use either the price of the most recent transaction or the midpoint between bid and ask price. For privately held securities and for thinly traded securities where market quotes are not 

discounted cash flows, multiple of earnings or comparisons with other securities that are substantially the same. 

