Discuss whether a company that just relies on replaceable rules could issue three classes of shares of which the shares of the first class provide one vote per share, the shares of the second class provide five votes per share and the shares of the third class provide fifty votes per share. In your discussion, indicate whether it would make any difference if the company adopted a company constitution and include answers to the following questions. With respect to Australian companies, what are replaceable rules? Where are they provided? Are there cases in which a company can choose to use a combination of replaceable rules and a company constitution? Can a company that just relies on replaceable rules be an ASX listed company?