Arlington Company Has Prepared the Following Common-Size Income Statement to Compare

Arlington Company has prepared the following common-size income statement to compare its performance with industry averages:
$$\begin{array} { | l | r | r | } \hline & \text { Arlington Co. } & \text { Industry } \\\hline \text { Revenues } & 100.0 \% & 100.0 \% \\\hline \text { Cost of goods sold } & 43.8 \% & 39.7 \% \\\hline \text { Gross Profit } & 56.2 \% & 60.3 \% \\\hline \text { Operating expenses: } & & \\\hline \text { Sales and marketing expense } & 18.1 \% & 21.4 \% \\\hline \text { General and administrative expense } & 12.0 \% & 14.2 \% \\\hline \text { Research and development expense } & 4.1 \% & 4.0 \% \\\hline \text { Total operating expenses } & 34.2 \% & 39.6 \% \\\hline & & \\\hline \text { Income before income tax } & 22.0 \% & 20.7 \% \\\hline \text { Income tax expense } & 4.4 \% & 4.2 \% \\\hline \text { Net income(loss) } & 17.6 \% & 16.5 \% \\\hline\end{array}$$
Which of the following statements can be correctly concluded from the above data?

A) Arlington's gross profit per dollar of sales is higher than the industry average.
B) Arlington's net income is higher than the industry average.
C) Arlington achieves better results than the industry by earning higher revenues.
D) Arlington achieves better profitability than the industry, primarily by controlling operating expenses more effectively.