Which are the supported business cases for invoice/payment export request in SAP Ariba Buying and Invoicing Integration? Note: There are 3 correct answers to this question.

Which are the supported business cases for invoice/payment export request in SAP Ariba Buying and Invoicing Integration? Note: There are 3 correct answers to this question.
A . Shipping and handling charges as unplanned delivery costs
B. Discounts at line level on a non-PO-based invoice
C. Discounts at header and line on a line-level credit memo
D. Attachments at line level for invoices
E. Assets as an account assignment category for non-PO-based invoice

Answer: A,B,C