The following information is provided for Dexter, Inc.:

Standard direct labor wage rate:

$10/hour

Standard direct labor hours per unit of output:

5 hours/unit

Budgeted Production:

5,000 units

Actual direct labor hours per unit of output:

5 hours/unit

Actual direct labor wage rate:

$11.50/hour

Actual Production:

4,900 units

What is the direct labor efficiency variance?