I JUST NEED $($#$2$ Contribution$-$margin ratio$)$ EVERYTHING ELSE IS ALREADY CORRECT. It is also not $80\%$ or $80\mathrm{.}0,$ that is inccorect, it needs to be something other than $80$ to the single decimal point.

Required:

$2.$ What is the contribution$-$margin ratio? $($Round your answer to $1$ decimal place.$)$