A company uses the following standard costs to produce a single unit of output.

Direct materials	6 pounds at $1.00 per pound	=	$	6.00
Direct labor	0.3 hour at $10.00 per hour	=	$	3.00
Manufacturing overhead	0.3 hour at $5.00 per hour	=	$	1.50

During the latest month, the company purchased and used 56,000 pounds of direct materials at a price of $1.10 per pound to produce 10,000 units of output. Direct labor costs for the month totaled $26,400 based on 2,750 direct labor hours worked. Variable manufacturing overhead costs incurred totaled $12,000 and fixed manufacturing overhead incurred was $17,000. Based on this information, the direct labor efficiency variance for the month was:

Multiple Choice

a. $3,600 favorable

b. $1,100 favorable

c. $2,500 unfavorable

d. $2,500 favorable

e. $1,100 unfavorable