Please explain

ok at a awesom "/Soda Fountain Mac. My Inbox Helper / MSN | Outlook, Offi... I Suggested Sites uiz i Saved Hel Assume the following (1) sales - $200,000, (2) unit sales = 10,000, (3) the contribution margin ratio = 37%, and (4) net operating income = $10,000. Given these four assumptions, which of the following Multiple Choice The total fixed expenses = $126,000 The variable expense per unit = $7.40 The total contribution margin = $74,000 O The break-even point is 8,077 units