Which of the Following Situations Explains 'Ordering

Multiple Choice

Which of the following situations explains 'ordering'? 

A)  Ordering refers to the placing of purchase orders at a supplier against previously arranged conditions. 
B)  Ordering is when orders are placed directly at the supplier, without questioning the supplier's conditions. 
C)  Ordering refers to the placing of purchase orders at a supplier without previously arranged conditions. 
D)  Ordering is when orders are placed directly at the supplier and there is questioning of the supplier's conditions.