Letters of credit? (3)
I believe the answer is:
iou
(Other definitions for iou that I've seen before include "Creditor's note" , "Debt note (abbr.)" , "Chit acknowledging debt" , "Promissory note" , "I owe you" .)
I believe the answer is:
iou
(Other definitions for iou that I've seen before include "Creditor's note" , "Debt note (abbr.)" , "Chit acknowledging debt" , "Promissory note" , "I owe you" .)