Julio is the owner of Party Pros, Inc., a party supply company. The company provides tents, tables, chairs, and related products for weddings, Bar and Bat Mitzvahs, graduations, birthdays, and other celebrations. As sales have increased, the organization has brought on more personnel and departmentalized to more efficiently handle purchasing, sales, service, and accounting. Everyone is still responsible for achieving company goals. Upon seeing Celebration's organization chart, you agree it uses a_____________.