Procurement Cards Differ from Corporate Credit Cards in Which of the Following

Procurement cards differ from corporate credit cards in which of the following ways?

A) Credit limits can be set for procurement cards,but not corporate credit cards.
B) Credit cards can be used to make purchases without an explicit sign off by supervisors,but procurement cards require a sign off.
C) Procurement cards can only be used with approved vendors,but credit cards can be used anywhere.
D) Procurement card invoices are sent separately for each card,whereas corporate credit cards are consolidated into a single invoice.