Suppose a firm had sales of $$823,381,$ net income of $$115,524$ and an addition to retained earnings of $$42,047.$ The firm's total asset turnover is $1\mathrm{.}90$ and its debt$-$equity ratio is $0\mathrm{.}65.$ What is its sustainable growth rate? Answer to four decimals. e$.$g$.0\mathrm{.}1234.$