What if bene of lc makes a presentation to issuing bank through his bank (presenting bank) and that bank (presenting bank) gives incorrect amount on its covering schedule.

What should issuing bank do?

Should it

1. mark discrepancy or

2. withhold payment under lc for reason that amount on covering schedule is not matching with invoice or

3. makes payment according to the invoice value or

4. makes payment according to value given on covering schedule ??????

The right answer is :To pay as the value of the invoice and send a notice to the advising bank mentioning their mistake.