Gilder Corporation makes a product with the following standard costs:
Standard Quantity or Hours Standard Price or Rate Standard Cost Per Unit
Direct materials 4.6 grams $4.00 per gram $18.40
Direct labor 0.8 hours $11.00 per hour $8.80
Variable overhead 0.8 hours $6.00 per hour $4.80
The company reported the following results concerning this product in June.
Originally budgeted output 6,800 units
Actual output 6,700 units
Raw materials used in production 28,400 grams
Purchases of raw materials 32,000 grams
Actual direct labor-hours 4,700 hours
Actual cost of raw materials purchases $131,200
Actual direct labor cost $55,930
Actual variable overhead cost $26,790

The company applies variable overhead on the basis of direct labor-hours. The direct materials purchases variance is computed when the materials are purchased

The variable overhead efficiency variance for June is:

$3,762 F
$3,960 U
$3,762 U
$3,960 F