Case $7-2$

Stocking Sets

Daniel Holbrook, an expediter at the local warehouse for Furniture

City, sighed as he moved boxes and boxes of inventory to the side

to reach the shelf where the particular item he needed was located.

He dropped to his hands and knees and squinted at the inven$-$

tory numbers lining the bottom row of the shelf. He did not find

the number he needed. He worked his way up the shelf until he

found the number matching the number on the order slip. Just his

luck! The item was on the top row of the shelf! Daniel walked back

through the warehouse to find a ladder, stumbling over boxes of

inventory littering his path. When he finally climbed the ladder to

reach the top shelf, his face crinkled in frustration. Not again! The

item he needed was not in stock! All he saw above the inventory

number was an empty space covered with dust!