EX-23 12 c68243ex23.txt CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS EXHIBIT 23 Consent of independent public accountants As independent public accountants, we hereby consent to the incorporation of our report included in this Form 10-K, into the Company's previously filed Registration Statement File Nos. 333-77591, 333-77247 and 333-77249. Arthur Andersen LLP Minneapolis, Minnesota, March 25, 2002