Sorin Incorporated, a company that produces and sells a single product, has provided its contribution format income statement for January. Sales (3,600 units) $ 108,000 Variable expenses 49,680 Contribution margin 58,320 Fixed expenses 44,300 Net operating income $ 14,020 If the company sells 4,300 units, its total contribution margin should be closest to: (Do not round intermediate calculations.) Multiple Choice $58,320 $69,660 $72,300 $16,746