Hello how may I help you? I need to pay my late fee. sure, can i get your library card number please/ 1233-23123-4534523123-4353564-2342 you have a late fee of $10 Can I pay in cash. ? unfortunately, the library does not accept case for late fees but we accept visa or mastercards Why? because the system is not programmed to take cash But cash is a legal form of tender. i apologize for the inconvenience; you late fee is now $10.25 Why?