SUPERVALU, one of the largest grocery retailers

in the United States, is headquartered in Minneapolis. Suppose the

following financial information $($in millions$)$ was taken from the

company$$s $2017$ annual report: net sales $$44,597,$ net income $$393,$

beginning stockholders$$ equity $$2,581,$ and ending stockholders$$

equity $$2,887.$ There were no dividends paid on preferred

stock.

Compute the return on common stockholders$$

equity.$($Round answer to $2$ decimal places, e$.$g$.$

$12\mathrm{.}56\%.)$

$$