$(1$ point$)$ A company that makes thing$-$a$-$ma$-$bobs has a start up cost of $\backslash (\backslash$$ $43671\backslash ).$ It costs the company $\backslash (\backslash$$ $3\mathrm{.}09\backslash )$ to make each thing$-$a$-$ma$-$bob. The company charges $\backslash (\backslash$$ $5\mathrm{.}07\backslash )$ for each thing$-$a$-$ma$-$bob. Let $\backslash ($ x $\backslash )$ denote the number of thing$-$a$-$ma$-$bobs produced.

Write the cost function for this company.

$\backslash [$

C$($x$)=$

$\backslash ]$

Write the revenue function for this company.

$\backslash [$

R$($x$)=$

$\backslash ]$

What is the minumum number of thing$-$a$-$ma$-$bobs that the company must produce and sell to make a profit?