Online retailers face tough problems when selling online because of the need to design systems to accept and process a huge volume of small orders, to physically pick items from warehouse shelves and put them into boxes, to be sure that the correct labels are applied, and to accept returns.

order fulfilment and logistics

Explanation:

Based on the information provided within the question it can be said that the problem that these online retailers are facing are order fulfilment and logistics. This is because (as described in the question) processing huge volumes of small orders takes up too much time in the logistics side of the business such as finding the product in the warehouses and making sure the correct labels are applied, and this causes many orders to not be fulfilled because of it.

the answer choices are:

provides online banking

provides automatic payment services

provides home loans by using saving accounts

accept tax return refunds

hopefully someone can answer the question now lol

answer; ///deficit;