⇣ copsgd ⇣cop100sgd00004cop500sgd00018cop1000sgd00035cop2000sgd00071cop5000sgd00176cop10000sgd00353⇣ copsgd ⇣cop1,00000sgd03526cop5,00000sgd176cop10,00000sgd353cop25,00000sgd881cop50,00000sgd1763cop100,00000sgd3526