EX-23 7 dex23.txt CONSENT OF ARTHUR ANDERSEN LLP EX-23.0 CONSENT OF ARTHUR ANDERSEN LLP EXHIBIT 23.0 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our reports included in this Form 10-K, into the Company's previously filed Registration Statements on Form S-8 (No. 33-82676, 33-82194, 33-95248, 333-65063 and 333-36206). /s/ ARTHUR ANDERSEN LLP Portland, Oregon March 8, 2002