nited Merchants Company sells $38,000$ units at $$19$ per unit. Variable costs are $$13\mathrm{.}49$ per unit, and fixed costs are $$83,800.$

etermine $($a$)$ the contribution margin ratio, $($b$)$ the unit contribution margin, and $($c$)$ operating income.

a$.$ Contribution margin ratio $($Enter as a whole number.$)\%$

b$.$ Unit contribution margin $($Round to the niearest cent.$)$

c$.$ Operating income