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 these four assumptions, which of the following is true? Mumple Choice The total fixed expenses -$150,000 The variable expense per unit-$5 The total contribution margin $50.000 The break-even point is 9.000 units