Assume the following (1) sales =$200,000, (2) unit sales =10,000,(3) the contribution margin ratio =36%, and (4) net operating Income =$10,000. Given these four assumptions, which of the following is true? Multiple Choice The total fixed expenses =$128,000 The break-even point is 8,214 units The total contribution margin =$72,000 The variable expense per unit =$7.20