Which If the Following Is NOT Seen as an Advantage

Multiple Choice

Which if the following is NOT seen as an advantage of the EOQ and EBQ models?

A) The models give an indication of the batch size for each order.
B) The cost of stock is accurately incorporated in the models.
C) Small errors will not significantly affect the total cost of near optimum order quantity.
D) The models give a useful indication of how often to order.