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Help Save & Ex Standard Quantity or Hours Standard Price or Rate Standard Cost Direct materials $ 8.00 per yard $ ? Direct labor Variable manufacturing overhead $ 2 per direct labor-hour Total standard cost per unit $ ? Overhead is applied to production based on direct labor-hours. During March, 600 backpacks were manufactured and sold. Sele information relating to the month's production is given below: Direct Variable Manufacturing Materials Used Labor Overhead Total standard cost allowed* $ 15, 360 $ 9,000 $ 1, 800 Actual costs incurred $ 13,965 ? $ 2, 985 Materials price variance Materials quantity variance $ 600 U Labor rate variance .V . Labor efficiency variance Variable overhead rate variance .U . Variable overhead efficiency variance *For the month's production. The following additional information is available for March's production