Highland Company produces a lightweight backpack that is popular with college students. Standard variable costs relating to a single backpack are given below: Direct materials Direct labor Variable manufacturing overhead Total standard cost per unit Standard Quantity or Hours Standard Price or Rate Standard Cost $ ? 4.50 per yard $ ? ? ? ? ? $2 per direct labor-hour ? $ ? Overhead is applied to production on the basis of direct labor-hours. During March, 530 backpacks were manufactured and sold. Selected information relating to the month's production is given below: Total standard cost allowed* Actual costs incurred Materials price variance Materials quantity variance Labor rate variance Labor efficiency variance Variable overhead rate variance Materials Used Variable Manufacturing Direct Labor $ 9,540 $ 5,936 Overhead $ 1,484 $ 8,645 ? $ 1,690 ? $ 1,575 U ? ? ? ? Variable overhead efficiency variance *For the month's production. The following additional information is available for March's production: Actual direct labor-hours Difference between standard and actual cost per backpack produced during March Required: 795 $ 0.20 F (Hint: It may be helpful to complete a general model diagram for direct materials, direct labor, and variable manufacturing overhead before attempting to answer any of the requirements.)