Answer: e. the potential for consumers to resell a product or service
Explanation:
Price discrimination refers to a practice by a producer/seller where they sell the same goods at different prices to different markets in order to make more profit.
Problems can arise if customers begin to resell these goods because some customers could buy it from markets where the producer charges less and sell it in markets where the producer charges more which would allow them to make profit at the producer's expense because they would be competing with the producer with the producer's own goods.