The Build-A-Bear Workshop Sells Custom Made Teddy Bears Designed to Be

The Build-A-Bear Workshop sells custom made teddy bears designed to be given as gifts for almost every occasion imaginable. The Beary Romantic Curly Teddy is one bear designed for people to give to each other on Valentine's Day. The code that the Build-A-Bear Workshop uses to distinguish this teddy bear from the others in its inventory and to order new stock when its numbers are depleted is a(n) :

A) order quantity code.
B) stock-keeping unit.
C) universal product code.
D) distinct stock size.