Step 2 - supply and demand graphs
There has been a decrease in supply because the coffee crops have been destroyed by a blight. This changes the supply graph and the prices increase, because there is a small supply.
There has been a decrease in demand because it has been shown that coffee gives laboratory rats cancer. Because of this study less people want to purchase this product and the company may lower their prices to increase the amount of buyers.
Step 3 - riskS and positives