UNIT 7: Everyday English - in the ski shop

hw: one situation like this:

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C=customer, SK=Shop keeper
C:Good morning
SK: Good morning! Can I help you? What would you like?
C1: I'm terribly cold! 
SK: Would you like this winter jacket? It's only$50
C1:It's too expensive for me.
SK: What about this jumper / sweater? Half price!
C1: Okay, do you have size M?
SK:Yes, of course. We also have these lovely gloves!
C1:What is their/the material?
SK: It's waterproof wool from Nepalese yaks. Is that/it all?/Is it everything?
C1: Can I also have the suntan lotion?
SK: Sure, that is/would be _____ Euros...
C1:Can I pay by cheque / card / paypass? Can I have a ____ discount / ____ off?
SK: We only take cash and offer discounts to regular customers!