A positional good is ________ (pick each option that is correct). Question 6Select one or more: a. Non-excludable because you cannot stop someone from competing with you for rank. b. Excludable because you can always stop other people from competing with you in consumption. c. Like a zero-sum game for rank - one person's gain in rank is another person's loss in rank. d. Non-rival in consumption because we all benefit from one person being top-ranked e. Rival in consumption because one person's power is enhanced by the lack of power of someone else