12. The following maternals standards have been estabished for a particular product Standard quantity per unit of output Standard price 7.2 Pounds $14.10 per pound The following date pertain to operations concerning the product for the last month: 6.640 Pounds $92,000 Actual materials purchased Actual cost of materials purchased Actual materlals used In production Actual output 5,940 Pounds 1,050 Units What is the materials quantity variance for the month? O $12,972 U O $14,596F O $22.842 F O $5,040 Uu