Agustin Industries is a division of a major corporation. Data concerning the most recent year appears below:

Sales $ $17,540,000$

Net operating income $ $648,980$

Average operating assets $ $4,560,000$

The division's margin is closest to:

Multiple Choice

$15\mathrm{.}4\%$

$14\mathrm{.}2\%$

$3\mathrm{.}7\%$

$19\mathrm{.}1\%$