Question no : 100 MM Master Data Vendor

When a vendor is not allowed to be used to create a purchase order, what would be a possible reason ?

A)   The source list indicator is not set in Purchasing Organization data view of the vendor master.
B)   The vendor was blocked in the source list.
C)   The plant parameter is the customizing was not defined to allow procurement.
D)   The account group is to create the vendor master is a one time vendor.
E)   The account group of the vendor master was not assigned to the document type used to create the Purchase Order.