BUSINESS ADMINISTRATION 
A Library of Business Principles, Practice, and Experience 
Editor-in-Chief 
WAL'TER D. MOODY 
Former General Manager, Chicago Association of Commerce 
Managing Director, Chicago Plan Commission 
Author, *Men Who Sell Things" 
Managing Editor 
A rp 2 1^ 
WILLIAM BETHKE, M. A. 
Department of Business Administration 
LaSalle Extension University 
LASALLE EXTENSION UNIVERSITY