A) There has been a decrease in the supply because a blight on a coffee plant has killed of a lot of the Brazilian crop. This is causing no supply for the consumers.
B) There has been a decrease in demand because coffee is shown to cause laboratory rats cancer, this is making people not want to buy this coffee which is causing a decrease in demand.
There is a possibility 50-50 chance that your credit card could get lost or stolen. It is a high risk that it could be stolen because someone can easily use it and access your money and your accounts until you realise that and shut it down.