Exercise $5-6($Algo$)$ Break$-$Even Analysis $[$LO$5-5]$

Mauro Products distributes a single product, a woven basket whose selling price is $$21$ per unit and whose variable expense is $$18$ per unit. The company$$s monthly fixed expense is $$3,600.$

Required:

$1.$ Calculate the company$$s break$-$even point in unit sales.

$2.$ Calculate the company$$s break$-$even point in dollar sales. $($Do not round intermediate calculations.$)$

$3.$ If the company's fixed expenses increase by $$600,$ what would become the new break$-$even point in unit sales? In dollar sales? $($Do not round intermediate calculations.