https://www.bing.com/images/search?q=shopping+receipt+surprise&view=detailv2&&id=510CE34AA175FBB57FE0510EDF22D195F0A0FDE2&selectedIndex=60&ccid=W%2fgaHhRS&simid=607995433692103540&thid=JN.A4okyO5W1Kz9XZyqpEZBVA&ajaxhist=0
After Sally is done paying she gets her reciept to see how much of a discount she recieved. To her surprise the discount percentage got smeared and she couldn't read what is said.
