⇣ copsgd ⇣cop100sgd00004cop500sgd00018cop1000sgd00035cop2000sgd00070cop5000sgd00175cop10000sgd00351⇣ copsgd ⇣cop1,00000sgd03509cop5,00000sgd175cop10,00000sgd351cop25,00000sgd877cop50,00000sgd1754cop100,00000sgd3509