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O variances The manager of the Texas Department of Transportation has determined that it typically takes 30 minutes for the departments employees te regster a new car Bear Counts the predetermined fed overhead rate was computed on an estimated 1,000 direct labor hosts per month and is 39 per drent labor hour, whereas the predetermined vanatie overhead rate is $3 per decor hour Dung july, 3330 cars were registered in Bexar County and 17,100 direct labor hours were worked in registering those vehicles. For the mond variable overhead was 14.860 and aed overhead was $161.440 Note in aning the following questions do not use negative signs with your answers Compuce verhead variances using a four variance approach PO Spending Variance & Campure mehead verances using a tree variance approach Compute overhead vanances using two variance approach