A: I need to buy some flowers for my wife.
B: Perhaps you'd be interested in red roses.
A: What would the roses cost me?
B: They're only $20 a dozen.
A: I like the sound of that.
B: Yes, that is today's sale price.
A: A dozen will be fine.
B: Is there anything else you'd like to get?
A: No, thank you.
B: These roses should make your wife very happy.