The regression output was based on the following data:

Required:

What is the variable cost per color copy for TOSS?

What is the fixed cost for the Color Copy Department?

Based on the regression output obtained by the controller, what cost formula should be used to estimate future total costs for the

Color Copy Department? Enter answer as an equation in the form of $y=a+bx.$

$5-$a$.$ Use the high$-$low method to estimate the variable and fixed costs for the Color Copy Department.

$5-$b$.$ What cost formula should be used based on your analysis? Enter answer as an equation in the form of $y=a+bx.$

If $23,400$ copies are made during January, what is the total cost predicted by each method?