Friar Corporation sells two products. Product A has a contribution margin of $$40.$ Product $B$ has a contribution margin of $$49.$ Currently, Friar's product mix is $75\%$ of Product B$,$ and $25\%$ of Product A$.$ Friar has fixed costs of $$832,150.$ What is Friar's break$-$even point in units?

A$.17,800$ units of A and $17,800$ units of $B$

B$.4,450$ units of A and $13,350$ units of $B$

C$.13,350$ units of A and $4,450$ units of $B$

D$.8,900$ units of A and $8,900$ units of $B$