A: Is there a copy machine for guests?
B: Yes, we have copy machines in our business center, which is to your right.
A: I need to make a color copy.
B: There are two black and white machines and one color copier.
A: Is there a charge to use the machine?
B: The cost per sheet on the color copy machine is 25 cents.
A: Does the machine take credit cards?
B: No, but I'd be happy to give you change if you have bills.
A: I need to make four color copies, so give me change for a dollar.
B: The machine also takes one dollar bills, so you don't need change.
A: Is there usually a wait for the machines.
B: Our business center is pretty empty right now, so you should have the run of the place.