Escareno Corporation has provided its contribution format income statement for June. The company produces and sells a single product. Sales (8,400 units) 764,400 Variable expenses 445,200 Contribution margin 319,200 Fixed expenses 250,900 Net operating income 68,300 If the company sells 8,200 units, its total contribution margin should be closest to: a b $311,600 $319,200 $301,000 $66,674