5.5 grams $ 12.00 per gram Lectron Company set the following materials standards for its product: Standard quantity per unit of output Standard price Actual materials purchased and 5,000 grams used During the current month: Actual cost of materials purchased $64,000 Actual output 1,000 units The materials quantity variance for the month is closest to: a. $ 6,000 U O b. $ 4,000 U C. $ 4,000 F d. $ 6,000 F