Which of the following is an example of fraud?
A. Joe's Appliances advertises a microwave oven at half off its original price.
B. Joe's Appliances advertises a built-in microwave oven at a price that doesn't include
an installation fee.
C. Joe's Appliances advertises a microwave oven at a low price that it never had in stock.
D. Joe's Appliances advertises a microwave oven for less than it pays to buy it,