you must have visited any shop you noticed that the shopkeeper group all similar items and keep them together what will happen if it doesn't do so

Dear student,
Please find below the answer:

 In a shop, the shopkeeper groups all similar items together. This is a way of organising and separating different things from one another. If he doesn't do so it would be difficult for him to sell things as all different items will be present in a mixed form. It will take time to find the item the customer wants immediately.

Hope this clears your doubt.
Regards.