I'm sorry, sir but the prices are non-negotiable.
Okay, I will offer 30.00$ but that is a high as I will go.
Rickie is confused about why the customer in front of him is not trying to offer a counter price as he does in his culture.
YOU CANNOT JUST GO AROUND AND TRY TO PAY LESS FOR THINGS!
Rickie, sticking to his culture and unknowing of the culture here, is trying to barter with the cashier.
Steve, in some cultures, haggling for prices is completely normal. Imagine how weird it is for him for prices to be fixed.
Rickie, still confused persists on his bartering strategy and brings his price up while the cashier begins to become annoyed.
I suppose that it is just as bizarre for him as it is for me.
The cashier, not using his sociological imagination, thinks that the Rickie is completely in the wrong and gets angry at him.
Sara enters the conversation to tell the cashier that due to his milieu, he does not understand that other cultures and societies have different practices.
As the cashier makes the familiar strange and envisions how strange it is for the man to experience fixed prices, he has newfound sociological imagination. The cashier was "trapped" by not receiving information about other cultures that made him more ethnocentric than he thought.