7. The following materials standards have been established for a particular product: Standard quantity per unit of output ........ 4.6 feet Standard price .......................................... $19.25 per feet The following data pertain to operations concerning the product for the last month: Actual materials purchased .................... 3,200 feet Actual cost of materials purchased ......... $63,200 Actual materials used in production ....... 2,900 feet Actual output .......................................... 800 units What is the materials price variance for the month? A) $15,405 F B) $5,775 U C) $5,925 U D) $1.600 U