A company uses the following standard costs to produce a single unit of output Direct materials Direct labor Manufacturing overhead 6 pounds at $0.90 per pound 0.5 hour at $12.00 per hour 0.5 hour at $4.80 per hour = $5.40 = $6.00 = $2.40 During the latest month, the company purchased and used 58,000 pounds of direct materials at a price of $1.00 per pound to produce 10,000 units of output. Direct labor costs for the month totaled $56,350 based on 4,900 direct labor hours worked. Variable manufacturing overhead costs incprred totaled $15,000 and fixed manufacturing overhead incurred was $10,400. Based on this information, the direct labor efficiency variance for the month was: O $2,450 favorable O $2,450 unfavorable O $1.200 unfavorable $3,650 favorable $1,200 favorable