Nieman Inc., a local retailer, has provided the following data for the month of March:

Merchandise inventory, beginning balance	$ 42,700
Merchandise inventory, ending balance	$ 42,100
Sales	$268,300
Purchases of merchandise inventory	$134,800
Selling expense	$ 16,800
Administrative expense	$ 57,600

The net operating income for March was:

$58,500

$134,500

$133,500

$61,300