Largo Company recorded for the past year sales of $$972,000$ and average operating assets of $$270,000.$ What is the margin that Largo Company needed to earn in order to achieve an ROI of $53\mathrm{.}8\%?($hint: first solve for net operating income using ROI and avg. operating assets. Then, use sales and net operating income to determine margin.$)$

$11\mathrm{.}45\%$

$14\mathrm{.}94\%$

$53\mathrm{.}80\%$

$9\mathrm{.}57\%$