5 Sorin Incorporated, a company that produces and sells a single product, has provided its contribution format income statement for January Sales (4,900 units) $ 161,700 Variable expenses 92, 169 Contribution margin 69,531 Fixed expenses 50,800 Net operating income $ 18,731 of the company sells 5,100 units, its total contribution margin should be closest to: (Do not round intermediate calculations.) 0149/5 Multiple Choice 569,531 $72,369 $80,00 O $19,496