A: How may I help you today?

B: I need to make some copies.

A: The copier is right over there.

B: Does it cost to use it?

A: We do charge to use the machine.

B: How much does it cost?

A: We charge ten cents a copy.

B: How many copies am I allowed to make?

A: There is no limit to how many copies you can make.

B: Would you mind showing me how to use it?

A: Please read the instructions on the copier.

B: Oh, okay. Thanks.