Fill in the blanks with proper words given belowcorresponds, discrepancies, amendments, validity, urge1. Sometimes it is necessary to _____1______ the buyer to open the L/C.2. Once the seller has received the L/C, the first thing he should do is to check if it _____2____- with the agreement or contract.3. When _____3_____ or errors occur, the seller should require ______4_____ to be made accordingly.4. The L/C should have a time of _____5______, which generally last 15 to 20 days after the time of shipment