Hello! I have some questions that I am a bit confused about. Can you help?

1.How does Elasticity of demand relate to coffee prices and the current coffee market?

2 How to make a supply and demand curve for the coffee market?

3 How does marginal revenue vs. Marginal cost relate to the Coffee Market

4 How does substitutes and complements relate to the coffee market?

5 How would I go about predicting where the coffee market will me in 3 months?

Thanks for the help!