উত্তর সিলেক্ট করলে সঠিক ও ভুল দেখাবে।
ব্যাখ্যা ও সঠিক সমাধান
উত্তর:
Export-Import
A letter of credit (LC), also known as a documentary credit or bankers commercial credit, or letter of undertaking (LoU), is a payment mechanism used in international trade to provide an economic guarantee from a creditworthy bank to an exporter of goods.