英语情景对话-Using a Copier(1)

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.