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? Multiple Choice O The total fixed expenses - $90,000 The total variable expenses $50,000 The contribution margin per unit - $5 The break-even point is 9.000 units