Just keep asking if they are asking you to extend credit.
If they answer "yes", then inform them there is an outstanding balance to be paid first.
Make them owe you money. :P
Printed copy · Anthology Volume 5, page 1188Printed copy from The Tender For Law Anthology, Volume 5, page 1188 (printed 13 June 2014). Added by this site; not part of the Facebook export.