⇣ copsgd ⇣cop100sgd00003cop500sgd00017cop1000sgd00034cop2000sgd00069cop5000sgd00171cop10000sgd00343⇣ copsgd ⇣cop1,00000sgd03425cop5,00000sgd171cop10,00000sgd343cop25,00000sgd856cop50,00000sgd1713cop100,00000sgd3425