"'I ordered four large Cokes, not four large Pepsis.'
"'Ma'am, I'm sorry, but we only serve Pepsi products,' I replied.
"'Since when? I was in here last week and got Coke.'
"'I'm sorry, ma'am, but in the eight months I've worked here we've ONLY had Pepsi. Perhaps you're thinking of another restaurant?'
"'Fine, give me the damn Cokes then, if you're too incompetent to do it right.'
"I gritted my teeth behind what was probably a VERY fake-looking smile, rang out the order, and told her the total.
"'That will be $24.95.'
"'You're trying to cheat me! The sign says it's $19.99!'
"'Yes, ma'am, the Family Pack is $19.99. You upgraded from medium drinks to large and ordered four sides of cheese sauce for the fries. That increases the price.'