Assume the following (1) sales \\( =\\$ 200,000,(2) \\) unit sales \\( =10,000,(3) \\) the contribution margin ratio \=40, and (4) net operating income \\( =\\$ 10,000 \\). Given these four assumptions, which of the following is true? Muitiple Choice The total contribution margin \\( =\\$ 80,000 \\) The total focd expenses \\( =\\$ 120,000 \\) The break-even point is 7,500 units The variable expense per unit \\( =\\$ 8.00 \\)