Use
This procedure checks:
You want to stock a new CD-player, "CD-SuperSound." CD-players are assigned to merchandise category "Audio Equipment." A profile module indicates which assortment grades are available, and which of your stores carry which assortment grades for audio equipment, as shown below.
CD-players are assigned to assortment grade 3. Although all stores may carry audio equipment, only stores with assortment grades 3 and 4 carry CD players. Therefore, the system will only permit you to assign "CD-SuperSound" to stores types 3 and 4.