Rovinsky Corporation, a company that produces and sells a single product, has provided its contribution format income statement for November Sales (7,800 units) Variable expenses Contribution margin Fixed expenses Net operating income $ 413,400 257,400 156,000 103,500 $ 52,500 If the company sells 7,700 units, its net operating income should be closest to: (Do not round intermediate calculations.) Multiple Choice $51,979 $50,500 $52,500 $48,000