The following materials standards have been established for a particular product: standard qty per unit of output 8.3 grams standard price = 19.15 grams The following data pertain to operations concerning the product for the last month: actual output 700 grams actual material used in production 7100 grams actual material purchased 7500 grams costs of purchased $141,375 What is the materials price variance for the month? 2250U 24317U none of the above 7540F