Klein Company manufactures photo frames, It takes 2 hours of direct labor to produce a single photo frame Klea's standard labor cost is $25 per hour. During May. Hassock produced 12,000 units and saed 24,200 hours of direct labor at a total cost of 5670,200 What is Klein's labor efficiency variance for May? OA$7,400 favorable Oe51.900 unfavorable OC$5,600 unfavorable OD59,300 unfavorable O55,600 favorable