Assume the following (1) sales = $200,000, (2) unit sales - 10,000, (3) the contribution margin ratio - 31%, and (4) net operating income = $10,000. Given these four assumptions, which of the following is true? Multiple Choice The variable expense per unit = $6.20 The total contribution margin $62,000 The total fixed expenses - $138,000 The break-even point is 8,684 units Assume the following (t) variable expenses = $308,000, (2) unit sales - 10,000, (3) the contribution margin ratio - 30%, and (4) net operating income $10,000. Given these four assumptions, which of the following is true? Multiple Choice The total contribution margin - $215,600 The variable expense ratio is 233% The total sales - $440,000 The total fixed expenses - $92,400