) What challenges to profits arise due to supply chain and intermediary consumers such as processors and distributors?

The Constant Fight for Profitability: Market Structure and Porter’s Five Forces

What is market structure and what is Porter’s Five Forces?  Here is some help. 

Select a monopolistic competitive firm and an oligopoly firm. Then apply Porter’s five forces and compare:

1) What are the challenges to profits faced by each firm?

2) Which firm is likely to have a much higher rate of return?

3) What challenges to profits arise due to supply chain and intermediary consumers such as processors and distributors?