How do you collect bank charges for opening L/C?

For opening L/C, bank charges are collected as follows;

1/4% per (3) month of L/C opening amount
(Minimum – USD 50/-, Maximum – USD 1500/-) equivalent MMK

- USD 50/- (equivalent MMK) for L/C Amendment

- USD  1/4% per (3)month of L/C Balance Amount (equivalent MMK) for L/C Extension

- USD 30/- (equivalent MMK) for L/C Cancellation