ABC Ltd is a company operating in the software industry. It is considering the acquisition of XYZ Ltd with shares. ABC has earnings of R$888$m$,$ with $\{$B$\}$m shares outstanding and a P$/$E ratio of $16.$ XYZ has earnings of R$397$m$,$ with $60$m shares outstanding and a P$/$E ratio of $9.$If ABC is offering a $24\%$ premium and the exchange ratio is $0\mathrm{.}75,$ what is the post$-$merger PE ratio share? Give your answer to $2$ decimal places.