$$ average variable cost of $$4\mathrm{.}20$

$$average variable rate of $\mathrm{.}3$

$$ Contribution margin is $$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Question $28$ options:

A$)$

$$1\mathrm{.}26$

B$)$

$$9\mathrm{.}80$

C$)$

$$14\mathrm{.}00$

D$)$

$$2\mathrm{.}94$