38. What does it mean by “ irrevocable” letter of credit ?
A. it means the letter of credit can be cancelled at any time by the buyer or issuing
bank
B. it means the letter of credit cannot be cancelled at any time by the buyer or
the issuing bank
C. it means the lette of credit can be cancelled if the beneficiary agrees to do so
D. it meand the letter of credit can only be cancelled if the buyer agrees to do so
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