Match the expressions (1-5) to the functions (a-e).
1. If you order more, well give you a discount.
2. What exactly do you mean?
3. I'd like to think about it.
4. I'm not sure about that.
5. Right, i think we've covered everything.
a) Refusing an offer b) Playing for time c) Making offers and concessions d) Closing the deal e) Checking understanding