he following materials standards have been established for a particular product: Standard quantity per unit of output 5.0 meters Standard price $18.90 per meter The following data pertain to operations concerning the product for the last month: Actual materials purchased 8,500 meters Actual cost of materials purchased $170,000 Actual materials used in production 8,000 meters Actual output 1,570 units What is the materials price variance for the month