Discuss How does the bullwhip effect happen?

regarding to the individual project which is Introduction to transportation,logistic and supply chain management, i sent you all the information that could be help to process this assignment please see attach bellow


Your boss was recently reading about supply chain management. During her reading, she came across the term bullwhip effect. She also asked you to put together a presentation about the bullwhip effect so that she could explain it to senior management.
Include the following in your presentation:

How does the bullwhip effect happen?
Why is the effect bad?
What can be done to reduce or eliminate the effect?

Please include notes with the presentation.