The following materials standards have been established for a particular product: Standard quantity per unit of output 4.2 pounds Standard price $ 13.40 per pound The following data pertain to operations concerning the product for the last month: Actual materials purchased 4,300 pounds Actual cost of materials purchased $ 62,880 Actual materials used in production 4,300 pounds Actual output 700 units The direct materials quantity variance is computed based on materials used in production. What is the materials quantity variance for the month