The main difference between perfect competition and monopolistic competition is Group of answer choices The ease of entry and exit. The number of firms in the market. The long-run economic profits that are expected. The degree of product differentiation.

The ease of entry and exit

Explanation:

As we know that both perfect competition and the monopolistic competition are the market structures

In the perfect competition, there are no of buyers  & sellers who have same product and also have free exit a& entry

But in the case of the perfect competition, there are buyers and sellers hwo have different products also there is not as ease as much perfect competition for the exit and entry

Therefore the first option is correct

answer; because many corporate watch groups will discover and publicize unethical behavior by suppliers, link it to the american company, and harm its reputation;