⇣ copbnd ⇣cop100bnd00003cop500bnd00017cop1000bnd00035cop2000bnd00070cop5000bnd00174cop10000bnd00348⇣ copbnd ⇣cop1,00000bnd03480cop5,00000bnd174cop10,00000bnd348cop25,00000bnd870cop50,00000bnd1740cop100,00000bnd3480