Sunn Company manufactures a single product that sells for $$140$ per unit and whose variable costs are $$105$ per unit. The company's annual fixed costs are $$563,500.$

$\backslash$table$[[($a$)$ Compute the company's contribution margin per unit.,,,$],[,,,],[,,,]]$

$($b$)$ Compute the company's contribution margin ratio.

$\backslash$table$[[$Numerator:$,1,$Denominator:,$=,$Contribution Margin Ratio$],[,1,,,]]$

$($c$)$ Compute the company's break$-$even point in units.

$\backslash$table$[[$Numerator:$,$I,Denominator:,$=,$Break$-$Even Units,$],[,,1,,=,$Break$-$even units$]]$

$($d$)$ Compute the company's break$-$even point in dollars of sales.

$\backslash$table$[[$Numerator:$,1,$Denominator:,$=,$Break$-$Even Dollars$],[,1,,=,$Break$-$even dollars$],[,,,,]]$