Preble Company manufactures one product. Its variable manufacturing overhead is applied to production based on direct labour-hours and its standard cost card per unit is as follows: Fixed overhead was budgeted at $599,000. Fixed overhead is applied on the basis of direct labour-hours. The company also established the following cost formulas for its selling expenses: The static (i.e., planning) budget for March was based on producing and selling 30,000 units. However, during March the company actually produced and sold 34, 500 units and incurred the following costs: a. Purchased 150,000 pounds of raw materials at a cost of $9.2 per pound. All of this material was used in production. b. Direct-labourers worked 62,000 hours at a rate of $17 per hour. c. Total variable manufacturing overhead for the month was $390, 400. And fixed manufacturing overhead was $594,000. d. Total advertising, sales salaries and commissions, and shipping expenses were $279,000, $645,000, and $122,000, respectively. Required: What is the direct labor efficiency variance for March