Question no 3581 : Invoice Verification Reference Documents

In SAP MM as at ECC6.0 EhP6, which of the following can be referenced for Online manual Invoice Verification via MIRO ?

(more than one answers)

A)   Material Document.
B)   Purchase Order.
C)   Service Entry Sheet.
D)   Scheduling Agreement.
E)   Contract.
.

Answer: B, C, D

Not Material Doc. (Auto invoice possible via Material Doc.)
Contract is not possible (GR also not possible)