Nussbaum Corporation has provided the following contribution format income statement. Assume that the following information is within the relevant range. Sales (9,000 units) $ 180,000 Variable expenses 117,000 Contribution margin 63,000 Fixed expenses 56,700 Net operating income $ 6,300 The break-even point in unit sales is closest to: Multiple Choice 8,685 units 0 units 5,850 units 8,100 units