Hassock Corp. produces woven wall hangings. It takes 2 hours of direct labor to produce a single wall hanging. Bartels' standard labor cost is $12 per hour. During August, Bartels produced 10,000 units and used 21,040 hours of direct labor at a total cost of $250,376. What is Bartels' labor rate variance for August?

A. $2,000 favorable.

B. $2,104 unfavorable.

C. $2,104 favorable.

D. $4,160 favorable.

E. $2,000 unfavorable.