9. The Alpha Company produces toys for national distribution. Standards for a particular toy are: Materials: 10 ounces per unit at 56 per ounce. Labor: 2 hours per unit at $2.75 per hour. During the month of December, the company produced 600 units. Information for the month: Materials: 15,200 ounces were purchased and used at a total cost of $5,540. Labor: 2,300 hours worked at a total cost of $8,100. The materials quantity variance is: A. $5,152 F B. $5,852 F C. $5,852 U D. $5,152 U