Ch. 10 - The following materials standards have been established for a particular product: Standard quantity per unit of output Standard price $ 4.6pounds 13.4per pound The following data pertain to operations concerning the product for the last month: Actual cost of materials purchased Actual materials used in production Actual output 63,080 4600pounds 720units The direct materials purchases variance is computed when the materials are purchased. What is the materials quantity variance for the month? A) A) $17,259 U C) $6700 U B) $15,931 U D) $6184 U