OH variances The manager of the Texas Department of Transportation has determined that it typically takes 30 minutes for the department's employees to register a new car. In Bexar County, the predetermined fixed overhead rate was computed on an estimated 6,000 direct labor hours per month and is $9 per direct labor hour, whereas the predetermined variable overhead rate is $3 per direct labor hour During July, 11,280 cars were registered in Bexar County, and 5,700 direct labor hours were worked in registering those vehicles. For the month, variable overhead was $16,620 and fixed overhead was $54,480, Note: In answering the following questions, do not use negative signs with your answers. a. Compute overhead variances using a four-variance approach. VOH Spending Variance Actual VOH Budgeted VOH VOH Spending Variance 116,6201 5.700x1 2.91578 x F VOH Efficiency Variance Budgeted VOH Applied VOH VOH Efficiency Variance Actual FOH FOH Spending Variance Budgeted FOH FOH Spending Variance 0x- FOH Volume Variance OXU Budgeted FOH Applied FOH FOH Volume Variance OXU b. Compute overhead variances using a three-variance approach. Actual OH OH Spending Variance Budget at Actual OH Spending Variance 0x 1 0 Neither For U OH Efficiency Variance Budget at Actual Budget at Standard OH Efficiency Variance OXU Volume Variance Applied OH Volume Variance Budget at Standard ON S OXU uring a penalarianre approach