3 a 9 12 21 15 Question 1 (3.125 points) Hassock Corporation produces woven wall hangings. It takes 2 hours of direct labor to produce a single wall hanging. Hassock's standard labor cost is $12 per hour. During August, Hassock produced 19,000 units and used 38,140 hours of direct labor at a total cost of $454,680. What is Hassock's labor efficiency variance for August? $1,680 favorable. $1,320 unfavorable. $4,680 unfavorable. $3,360 favorable. $1,680 unfavorable..