Pippin inc. has provided the following data concerning one of the products in its standard cost system. variable manufacturing overhead is applied to products on the basis of direct labor-hours. inputs standard quantity or hours per unit of output standard price or rate direct materials 5.0 grams $ 7.00 per gram direct labor 0.30 hours $ 21.30 per hour variable manufacturing overhead 0.30 hours $ 9.60 per hour the company has reported the following actual results for the product for june: actual output 8,500 units raw materials purchased 48,100 grams actual price of raw materials $ 7.70 per gram raw materials used in production 42,490 grams actual direct labor-hours 2,300 hours actual direct labor rate $ 21.70 per hour actual variable overhead rate $ 9.80 per hour the raw materials quantity variance for the month is closest to: multiple choice $77 f $70 u $77 u $70 f