$\backslash$table$[[$January$,$$$2,620,310],[$February$,2,920,360],[$March$,3,520,510],[$April$,4,420,680],[$May$,3,120,510],[$June$,5,220,710]]$

$($a$1)$

$$ Your answer is correct.

Determine the unit variable costs using the high$-$low method for this mixed cost. $($Round answer to $2$ decimal places e$.$g$.2\mathrm{.}25.)$

Variable cost per machine hour

$

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$($a$2)$

Your answer is incorrect.

Determine the fixed costs using the high$-$low method for this mixed cost.

Total fixed costs