Hassock Corp. produces woven wall hangings. It takes 4 hours of direct labor to produce a single wall hanging. Hassock's standard labor cost is $18 per hour. During August, Hassock produced 9000 units and used 36,170 hours of direct labor at a total cost of $647,160. What is Hassock's labor rate variance for August?

Group of answer choices

$7782 favorable.

$3882 unfavorable.

$3900 favorable.

$3900 unfavorable.

$3882 favorable.