In global trade, a ________ is a written agreement by a bank to pay the seller, on account of the buyer, a sum of money upon presentation of certain documents.

In global trade, a ________ is a written agreement by a bank to pay the seller, on account of the buyer, a sum of money upon presentation of certain documents. 








A) bank check
B) letter of credit
C) trade card payment
D) micropayment









Answer: B