EXERCISE 5-12 (30 MINUTES)

3.

Variable Cost per

Machine-Hour Fixed Cost

Maintenance cost ... $1.60 $ 9,000 Utilities cost... 0.80 Supervisory salaries cost.... 21,000 Totals... $2.40 $30,000 Thus, the cost formula would be: Y = $30,000 + $2.40X.