Spendex has established the following standards for one of its products: Standard labor hours per unit of output 8.00 hours Standard labor rate $18.00 per hour During the current month, actual labor-hours worked were 3,800, actual total labor cost was $66,500 and actual output was 500 units. What is the labor efficiency variance for the current month? Multiple Choice 0 $3,600 Unfavorable 0 $3,600 Favorable 0 $5,500 Unfavorable 0 $5,500 Favorable