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The following methods and assumptions were used by the Company in estimating the fair value of its financial instruments: 

Cash and cash equivalents: The carrying amount on the balance sheet approximates fair value. 

Interest rate swap agreements: The fair values were obtained from the agreement counterparties. 

Short-term and long-term debt: The fair values of the Allegheny Technologies 8.375% Notes and the Allegheny Ludlum 6.95% debentures were based on quoted market prices. The carrying amounts of the other short-term and long-term debt approximate fair value. 

Accounts receivable are presented net of a reserve for doubtful accounts of $10.2 million at December 31, 2003 and $10.1 million at December 31, 2002. During 2003, the Company recognized expense of $2.2 million to increase the reserve for doubtful accounts and wrote off $2.1 million of uncollectible accounts, which reduced the reserve. During 2002, the Company recognized expense of $1.8 million to increase the reserve for doubtful accounts and wrote-off $4.0 million of uncollectible accounts, which reduced the reserve. During 2001, the Company recognized expense of $10.1 million to increase the reserve for doubtful accounts and wrote-off $5.2 million of uncollectible accounts receivable, which reduced the reserve. 

Property, plant and equipment at December 31, 2003 and 2002 were as follows: 

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Depreciation and amortization for the years ended December 31, 2003, 2002 and 2001 was as follows: 

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In accordance with SFAS 142, amortization of goodwill was discontinued January 1, 2002. 

Accrued liabilities included salaries and wages of $27.1 million and $38.4 million at December 31, 2003 and 2002, respectively. 

## Note 5.Accumulated Other Comprehensive Income (Loss) — 

The components of accumulated other comprehensive income (loss), net of tax, at December 31, 2003, 2002 and 2001 were as follows: 

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