Sunday Corporation prepared the following performance report for variable overhead costs for the last quarter of the year. Machine hours are the cost driver for all overhead costs.

Cost Driver(Machine Hours) Variable Overhead Costs:

Actual 38,000 Static Budget 35,000 Variances

Utilities $15,700 $14,000 $1,700

Indirect Labor 86,500 80,500 6,000

Supplies 26,000 21,000 5,000

Maintenance 44,900 42,000 2,900

Total Variable Overhead Costs $173,100 $157,500 $15,600

The cost formulas used for the variable overhead costs are:

Variable Overhead Costs Cost Formula

Utilities $0.40 per machine hour

Indirect Labor $2.30 per machine hour

Supplies $0.60 per machine hour

Maintenance $1.20 per machine hour

Your boss called you into the office and reprimanded you for the unfavorable variances. The boss says you are fired unless you can explain why the variances are all unfavorable.

Calculate the flexible budget variances and the activity-level variances for each cost.