EXERCISE 11-10 (20 MINUTES)

11,500 hours 11,500 hours Spending

Variable overhead costs:

Supplies ... $ 2,400 $ 2,300 $ 100 U

Maintenance... 8,000 9,200 1,200 F

Utilities ... 1,100 1,150 50 F

Rework time... 5,300 4,600 700 U

Total variable over-

head cost ... $16,800 $17,250 $ 450 F