QUESTION 9 Rovinsky Corporation, a company that produces and sells a single product, has provided its contribution format income statement for November, based on sales of 4,200 units. Sales Variable expenses Contribution margin $155,400 100,800 $ 54,600 |_42,400 $ 12,200 Fixed expenses Net operating income Based on the data above, if Rovinsky sells 4,600 units, its net operating income will be: $17,400 $13,400 o o o C. $12,600 OD. $18,900