The following standards for variable manufacturing overhead have been established for Oriole, Inc. a manufacturer of reproduction vintage hats. Standard hours per unit 2.50 hours Standard variable overhead rate $ 14.00 per direct labor hour The following data pertain to operations for the month of July. Actual direct labor hours 5,300 Actual total variable overhead cost $ 70,500 Actual production 2,300 units Calculate the variable overhead spending variance and the variable overhead efficiency variance for July and indicate whether the variances are favorable or unfavorable. Variable overhead spending variance > Variable overhead efficiency variance tA $