The following materials standards have been established for a particular product: Standard quantity per unit of output Standard price 5.3 meters $ 17.20 per meter The following data pertain to operations concerning the product for the last month: Actual materials purchased Actual cost of materials purchased Actual materials used in production Actual output 8,100 meters $ 141,345 7,600 meters 1,400 units What is the materials price variance for the month? Select one: O a. $2,025 U O b. $8,600 U Oc. $8,725 U Od. $3,141 U