A firm is selling two products$-$chairs and bar stools$-$each at $$60$ per unit. Chairs have a variable cost of $$30,$ and bar stools $$25.$ The fixed cost for the firm is $$20,000.$

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.

$\backslash$table$[[$Break$-$even point$],[$Number of chairs$],[$Number of bar stools$]]$

b$.$ If the sales mix changes to $1$:$4($one chair sold for every four bar stools 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.

$\backslash$table$[[$Break$-$even point,$],[$Number of chairs,$],[$Number of bar stools,$]]$