Before deliveries arrive from certain vendors, you want to be informed of the deliver

y date and quantity.To do this, you use a confirmation control key.Which of the following settings can you define in a confirmation control key？ Please choose the correct answer.()

A.Confirmations must be transmitted electronically

B.The full confirmed quantity must be entered in one posting in the system

C.The goods receipt can be posted no earlier than the confirmed delivery date

D.Only the confirmed quantity can be posted when the goods are received