$16.$ National Power currently has a stock price of $$20$ per share, with $1$ million shares outstanding. It wants to raise $$5$ million of new equity in rights offering. With a subscription price of $$20,$ what is the value of one right? DA$.3\mathrm{.}33$B$.1\mathrm{.}67$C$.6\mathrm{.}66$D$.0$