Assume the following (1) sales =$200,000, (2) unit sales =10,000, (3) the contribution margin ratio =25%, and (4) net operating income =$10,000. Given hese four assumptions, which of the following is true? Multiple Choice The total fixed expenses =$40,000 The total variable expenses =$50,000 The total contribution margin =$150,000 The break-even point is 9,000 units