WHICH OF THE FOLLOWING METHOD OF PAYMENT IS NOT POSSIBLE

9. Which of the following method of payment is NOT possible?

A. 100% of the contract price by letter of credit

B. 20% prepayment and 80% by letter of credit

C. 90% by letter of credit and 10% retaining until the warranty period is over

D. Part of the contract price is paid by letter of credit but there is not a clear figure

stated in the amount of the credit