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

 

Direct materials (25 Ibs @ $4 per Ib)                 

$100.00

Direct labor (6 hrs @ $8 per hr)                     

48.00

Factory overhead—variable (6 hrs @ $5 per hr)        

30.00

Factory overhead—fixed (6 hrs @ $7 per hr)          

42.00

Total standard cost                                 

$220.00

 

The predetermined overhead rate is based on a planned operating volume of 80% of the productive capacity of 60,000 units per quarter. The following flexible budget information is available.

 

Operating Levels

 

70%

80%

90%

Production in units

42,000

48,000

54,000

Standard direct labor hours

252,000

288,000

324,000

Budgeted overhead

 

 

 

Fixed factory overhead

$2,016,000

$2,016,000

$2,016,000

Variable factory overhead

$1,260,000

$1,440,000

$1,620,000

During the current quarter, the company operated at 70% of capacity and produced 42,000 units of product; actual direct labor totaled 250,000 hours. Units produced were assigned the following standard costs:

Direct materials (1,050,000 Ibs @ $4 per Ib)         

$4,200,000

Direct labor (252,000 hrs @ $8 per hr)              

2,016,000

Factory overhead (252,000 hrs @ $12 per hr)       

3,024,000

Total standard cost                               

$9,240,000

Actual costs incurred during the current quarter follow:

Direct materials (1,000,000 Ibs @ $425)             

$4,250,000

Direct labor (250,000 hrs @ $775)                

1,937,500

Fixed factory overhead costs                      

1,960,000

Variable factory overhead costs                    

1,200,000

Total actual costs                                 

$9,347,500

2. Refer to information in Problem 24 1A.

Required

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