Katz Group Had the Following Income Statement for the Month

Multiple Choice

Katz Group had the following income statement for the month of May.
$\begin{array}{l}\text { Sales revenue } &&\$428,000\\\text { Cost of goods sold } &&205,440\\\text { Gross margin }&&222,560\\\text { Less: }\\&\text { Selling expenses }&81,320\\&\text { Administrative expenses }&72,760\\\text { Operating income }&&\$68,480\end{array}$
-Refer to the Figure.What was the selling expense percentage?

A) 17%
B) 19%
C) 16%
D) 21%