A: Do you offer any quantity discounts?
B: No, we don't.
A: Then give us three cases of this.
A: You could save a lot if you would order a little more.
B: How could we do that?
A: We offer a discount for large orders.
B: Let me take another look at our requirements.
A: Your prices seem a little high.
B: We could make them lower for you.
B: If you order in large lots, we'll reduce the price.
A: We can make the price lower if you would order a bit more.
B: How much more?
A: Just three more cases.
B: I think we can do that.