Gamgee Company wishes to maintain a growth rate of $12\mathrm{.}4$ percent per year, a debt$-$equity ratio of $1\mathrm{.}2,$ and a dividend payout ratio of $28$ percent. The ratio of total assets to sales is constant at $\mathrm{.}92.$ What profit margin must the firm achieve? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$