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

Sales (6,700 units)	$	402,000
Variable expenses		268,000
Contribution margin		134,000
Fixed expenses		103,500
Net operating income	$	30,500

If the company sells 6,600 units, its net operating income should be closest to: (Do not round intermediate calculations.) a. $29,979 b.$28,500 c.$30,500 d.$26,000