Assume the following $(1)$ sales $=$ $$200,000,(2)$ unit sales $=10,000,(3)$ the contribution margin ratio $=35\%,$ and $(4)$ net operating income $=$ $$10,000.$ Given these four assumptions, which of the following is true?

Multiple Choice

The total fixed expenses $=$ $$60,000$

The total variable expenses $=$ $$70,000$

The total contribution margin $=$ $$130,000$

The break$-$even point is $8,333$ units