⇣ vndron ⇣vnd100ron00002vnd500ron00009vnd1000ron00018vnd2000ron00036vnd5000ron00090vnd10000ron00180⇣ vndron ⇣vnd1,00000ron01804vnd5,00000ron09020vnd10,00000ron180vnd25,00000ron451vnd50,00000ron902vnd100,00000ron1804