Grisham Corporation produces and sells a single product. The company has provided its contribution format income statement for February.

Sales (5,600 units)	$358,400
Variable expenses	229,600
Contribution margin	128,800
Fixed expenses	108,400
Net operating income	$20,400

If the company sells 5,900 units, its total contribution margin should be closest to:

$148,000

$128,800

$135,700

$21,493