A company has net sales of $829,000 and cost of goods sold of $549,500. Its net income is $99,000. The company's gross margin and operating expenses, respectively, are:

$279,500 and $369,200

$279,500 and $180,500

$279,500 and $99,000

$180,500 and $99,000

$648,500 and $180,500