⇣ copsgd ⇣cop100sgd00003cop500sgd00017cop1000sgd00033cop2000sgd00066cop5000sgd00166cop10000sgd00332⇣ copsgd ⇣cop1,00000sgd03316cop5,00000sgd166cop10,00000sgd332cop25,00000sgd829cop50,00000sgd1658cop100,00000sgd3316