A company uses the following standard costs to produce a single unit of output. Direct materials 5 pounds at $0.90 per pound = $ 4.50 Direct labor 0.6 hour at $8.00 per hour = $ 4.80 Manufacturing overhead 0.6 hour at $3.70 per hour = $ 2.22 During the latest month, the company purchased and used 46,000 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 $43,396 based on 5,710 direct labor hours worked. Variable manufacturing overhead costs incurred totaled $18,200 and fixed manufacturing overhead incurred was $15,000. Based on this information, the direct labor efficiency variance for the month was: