b Question of The following is Knox Corporation's contribution format income statement for last month; 1 points Sales Less: variable expenses Contribution margin Less: fixed expenses Operating income $900,000 300.000 600,000 400.000 $200,000 The company has no beginning or ending inventories. The company produced and sold 10,000 units last month. What is the company's break-even sales in dollars? O $599,700 $640,000 $700,000 $400,000