When creating a customer invoice in SAP Business ByDesign, after which step is the XML/PDF output generated? Note: There are 2 correct answers to this question.

When creating a customer invoice in SAP Business ByDesign, after which step is the XML/PDF output generated? Note: There are 2 correct answers to this question.
A . Change the price
B . Resubmit the output
C . Save and close the customer invoice
D . Release the customer invoice

Answer: C,D