⇣ copsgd ⇣cop100sgd00004cop500sgd00018cop1000sgd00035cop2000sgd00071cop5000sgd00177cop10000sgd00354⇣ copsgd ⇣cop1,00000sgd03535cop5,00000sgd177cop10,00000sgd354cop25,00000sgd884cop50,00000sgd1768cop100,00000sgd3535