Problem $7-12($Algo$)$

A firm is selling two products$-$chairs and bar stools$-$each at $$70$ per unit. Chairs have a variable cost of $$30,$ and bar

stools $$20.$ The fixed cost for the firm is $$21,000.$

a$.$ If the sales mix is $1$:$1($one chair sold for every bar stool sold$),$ what is the break$-$even point in dollars of sales? In units of

chairs and bar stools?

Note: Round your answers to a whole number before calculating the break$-$even point and round the break$-$even

point to the nearest whole number.

Answer is not complete.