Why is important that there is only one product owner per product? (Choose 2 answers). A) Its clear for who is accountable for the ultimate success...

Why is important that there is only one product owner per product? (Choose 2 answers).
A) Its clear for who is accountable for the ultimate successes of the product.
B) The development team always know who determine priorities.
C) Its helps the economy by increase employment.
D) Its helps avoid barriers to effective communication and rapid decision-making.
E) The Scrum Master knows who will be his backup whenever he goes in vacation.