Specify the oxidation numbers of the metals in the following coordination entities:
(i) $\left[\mathrm{Co}\left(\mathrm{H}{2} \mathrm{O}\right)(\mathrm{CN})(\mathrm{en}){2}{ }^{R+}\right.$
(ii) $\left[\mathrm{CoBr}{2}(\mathrm{en}){2}{ }^{+}\right.$