5. Ofarrell Corporation, a company that produces and sells a single product, has provided its contribution format income statement for March Sales (8,000 units) Variable expenses Contribution margin Fixed expenses Net operating income $440,000 280,000 160,000 103.500 $56,500 If the company sells 7,900 units, its net operating income should be closest to O $56,500 O $55.979 O $52.000 O $54,500