It is well known in the supermarket industry that how items are placed on shelves and the frequency of inventory turnovers can be crucial to profits.

• Athe frequency of inventory turnovers can be  
• Bthe frequency of inventory turnovers is often  
• Cthe frequency with which the inventory turns over is often  
• Dhow frequently is the inventory turned over are often  
• Ehow frequently the inventory turns over can be