TB MC Qu. 6-41 Rovinsky Corporation, a company that produces Rovinsky Corporation, a company that produces and sells a single product, has provided its contribution format income statement for November. Sales (6,400 units) Variable expenses Contribution margin Fixed expenses $403,200 275,200 128,000 103,500 24,500 Net operating income If the company sells 6,300 units, its net operating income should be closest to: (Do not round intermediate calculations.) $23,979 $22,500 $24,500 $20,000