Use the following data to find the direct labor efficiency variance if the company produced 3,500 units during the period.

Direct labor standard (4 hrs. @ $7.10/hr.)	$28.40 per unit
Actual hours worked	12,350
Actual rate per hour	$7.30

$2,470 unfavorable.

$2,800 unfavorable.

$2,800 favorable.

$11,715 favorable.

$2,470 favorable.