Ofarrell Corporation, a company that produces and sells a single product, has provided its contribution format income statement for March.

Sales (7,800 units)	$413,400
Variable expenses	257,400
Contribution margin	156,000
Fixed expenses	103,500
Net operating income	$52,500

If the company sells 7,700 units, its net operating income should be closest to:

$51,979

$52,500

$48,000

$50,500