What are the differences between monopolistic competition, competitive markets, and monopoly? Please use all the knowledge you learned from the previous modules to help you answer this question. You should also refer to the video as well. Is bookselling a perfectly competitive industry? Briefly explain Can you identify barriers to entry from the video? How the sellers differentiate their products from their competitors as suggested by these video clips? https://www.youtube.com/watch?v=sAQogHJ529g https://www.youtube.com/watch?v=ps2CGU-JZw0&t=73s