annual fixed costs are $$735,300$

$($a$)$ Compute the company's contribution margin per unit.

Contribution margin

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

$\backslash$table$[[,$Numerator:,$1,$Denominator:,$=,$Contribution Margin Ratio$],[,,1,,=,$Contribution margin ratio$],[,,,,,0]]$

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

Numerator:

$1$

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

Numerator: