Tidd Corporation makes a product with the following standard costs: Standard Quantity Standard Price or Standard Cost Rate Direct materials Direct labor Variable overhead or Hours 4.7 grams 0.6 hours 0.6 hours $2.00 per gram $11.00 per hour $4.00 per hour Per Unit $9.40 $6.60 $2.40 The company reported the following results concerning this product in November. Originally budgeted output Actual output Raw materials used in production Purchases of raw materials Actual direct labor-hours Actual cost of raw materials purchases $132,460 Actual direct labor cost Actual variable overhead cost 9,100 units 9,200units 44,830 grams 47,320grams 7,890 hours $125,153 $29,926 The company applies variable overhead on the basis of direct labor-hours. The direct materials purchases variance is computed when the materials are purchased The materials quantity variance for November is O $3,180 U $4,451 U O $3,180 F $4,451 F