Wight Corporation has provided its contribution format income statement for June. The company produces and sells a single product. Sales (4,200 units) $ 138,600 Variable expenses 58,800 Contribution margin 79,800 Fixed expenses 44,400 Net operating income $ 35,400 If the company sells 4,300 units, its total contribution margin should be closest to: (Do not round intermediate calculations.) Multiple Choice $36,243 $79,800 $81,700 $83,100