In: Economics
A who is a businessman asked B to lend him 20,000 USD, B said yes but I need you to write me a Promissory Note, and A provided him with a Promissory note. When the paper was due after 6 months, B went to A and asked for the money and A said I do not owe you anything. If you were the lawyer of B, what is your advice for him to get his money back from A in the fastest way? Answer this according to the Iraqi Commercial Law.