Puvo, Incorporated, manufactures a single product in which variable manufacturing overhead is assigned on the basis of standard direct labochours. The company uses a standard cost system and has established the following standards for one unit of product: During March, the following activity was recorded by the company: - The company produced 4,800 units during the month. - A total of 10,700 pounds of material were purchased at a cost of $29,960. - There was no beginning inventory of materials on hand to start the month; at the end of the month, 2,140 pounds of material remained in the warchouse. - During March, 2,600 direct labor-hours were worked at a rate of $15.50 per hour. - Variable manufacturing overhead costs during March totaled \$4,750. The direct materials purchases variance is computed when the materials are purchased. The materials quantity variance for March is