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Shade Company adopted a standard cost system several years ago. The standard costs for direct labor and direct materials for its single product are as follows: Materials (5 kilograms $12 per kilogram) =$60 per unit; direct labor (3.5 hours per unit $20 per hour) =$70 per unit. All materials are issued at the beginning of processing. The operating data shown below were taken from the records for December: The direct labor rate variance for December was: Multiple Choice $3,822 favorable. $7882 favorable $10,022 unfavorable. $26,642 unfavorable. $61,642 unfavorable