Which of the following options are available for creating inbound deliveries? Note: There are 2 correct answers to this question.

Which of the following options are available for creating inbound deliveries? Note: There are 2 correct answers to this question.
A . Automatically with a background job
B. Automatically when saving a purchase order
C. Manually with reference to a purchase order
D. Manually with reference to a material document

Answer: A,C