Find the sustainable and internal growth rates for a firm with the following ratios: asset turnover $($sales$/$initial assets$)=1\mathrm{.}5$; profit margin $($net income$/$sales$)=4\%$; payout ratio $=31\%$; initial equity$/$initial assets $=0\mathrm{.}2.($Do not round intermediate calculations. Round your answers to $2$ decimal places.$)$

Sustainable growth rate $\_\_\_\_\_\_\_\_\_\%$

Internal growth rate $\_\_\_\_\_\_\_\_\_\_\%$