Exhibit 16.4 BERSCH ACCOUNTING S.C. ================================================================================ 633 W. Wisconsin Ave., Suite 405 Milwaukee, Wisconsin 53203 Tel: 414-272-8800 www.berschaccounting.com Fax: 414-223-4070 email: bersch@execpc.com March 30, 2001 VIA FAX Office of the Chief Accountant SECPS Letter File Securities and Exchange Commission Mail Stop 11-3 450 Fifth Street, N.W. Washington, D.C. 20549 Ladies and Gentlemen, I have read the disclosure in Item 4 of the Form 8-K/A dated March 27, 2001. I agree with the disclosures. Sincerely, /s/ Dennis W. Bersch -------------------- Dennis W. Bersch, CPA -4-