me: your total is thirteen dollars even
customer: 13? i thought it was 12-o-one
me: yes that display was before tax, after i press the button it shows tax
customer: (smacks lips) psh.. 99 cents tax! its yogurt!
__-for those of you who dont know, taxes are regulated by the government in the U.S. whether it be state or federal. NOT THE BUSINESS.-__