Hurren Corporation makes a product with the following standard costs:

Inputs	Standard Quantity or Hours	Standard Price or Rate	Standard Cost Per Unit
Direct materials	3.7 grams	$5.00 per gram	$18.50
Direct labor	0.9 hours	$12.00 per hour	$10.80
Variable overhead	0.9 hours	$5.00 per hour	$4.50

The company reported the following results concerning this product in June.

Originally budgeted output	8,000	units
Actual output	7,900	units
Raw materials used in production	28,310	grams
Actual direct labor-hours	6,500	hours
Purchases of raw materials	31,100	grams
Actual price of raw materials purchased	$5.10	per gram
Actual direct labor rate	$12.90	per hour
Actual variable overhead rate	$4.70	per hour

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

The variable overhead efficiency variance for June is:

	$2,867 U
	$3,050 U
	$2,867 F
	$3,050 F