Discussion:
Go to the following site, https://fortune.com/2016/07/28/coffee-prices-expensive/
that discusses changes in demand and supply of coffee, summarize key points.
Use specific economic vocabulary within the summary, i.e. demand, quantity demanded, determinants of demand, shifts in demand curve, etc. Likewise with supply. Also you should discuss changes in equilibrium quantity and equilibrium price.
It is incumbent upon you to convert the article language into economic language as is appropriate.