Sabates Company set the following standard unit costs for its single product.

Direct materials (5 Ibs. @ $10 per Ib.)

$50.00

Direct labor (3 hrs. @ $15 per hr.)

45

Factory overhead—variable (3 hrs. @ $5 per hr.)

15

Factory overhead—fixed (3 hrs. @ $3 per hr.)

9

Total standard cost

$119.00

The predetermined overhead rate is based on a planned operating volume of 90% of the productive capacity of 100,000 units per quarter. The following flexible budget information is available.

 

Operating Levels

 

80%

90%

100%

Production in units                

32,000

36,000

40,000

Standard direct labor hours         

96,000

108,000

120,000

Budgeted overhead

 

 

 

Fixed factory overhead           

$324,000

$324,000

$324,000

Variable factory overhead         

480,000

540,000

600,000

During the current quarter, the company operated at 80% of capacity and produced 32,000 units of product; direct labor hours worked were 100,000. Units produced were assigned the following standard costs:

Direct materials (160,000 Ibs. @ $10 per Ib.)

$1,600,000

Direct labor (96,000 hrs. @ $15 per hr.)

1,440,000

Factory overhead (96,000 hrs. @ $8 per hr.)

768,000

Total standard cost

$3,808,000

Actual costs incurred during the current quarter follow:

Direct materials (155,000 Ibs. @ $10.20)

$1,581,000

Direct labor (100,000 hrs. @ $14)

1,400,000

Fixed factory overhead costs

370,000

Variable factory overhead costs

480,000

Total actual costs

$3,831,000

Refer to information in Problem 24 1B.

Required

Compute these variances: (a) variable overhead spending and efficiency, (b) fixed overhead spending and volume, and (c) total overhead controllable.