A P$/$E multiple could be high relative to the S&P $500$ Index because its high growth rate justifies it$.$ You notice a stock that has an assumed growth rate of $5\mathrm{.}21\%$ with a dividend payout ratio of $48\mathrm{.}9\%$ and a required return of $13\mathrm{.}38\%.$ What is the justified forward P$/$E for this company? State your answer with two decimal places $($i$.$e$.,13\mathrm{.}21,$ not $\mathrm{.}1321).$