Exhibit 17.2 September 24, 1996 Allyson D. Laackman Chief Financial Officer Jack Carl/312-Futures, Inc. 200 West Adams Street Suite 1500 Chicago, IL 60606 Dear Ms. Laackman: I hereby resign as Director of Jack Carl/312-Futures, Inc. effective Tuesday, October 1, 1996. As you know, since my employment by E.D.& F. Man International Inc. began on July 1, 1996, my only involvement with the affairs of the Company has been in winding up legal matters for Index Futures Group, Inc. Sincerely, /s/PHILIP A TANZAR Philip A. Tanzar -164-