The following standard costs were developed for one of their products: Standard Cost per Unit Total Variable overhead 7 hours @ $8 per hour $ 56 Overhead is applied to products on the basis of standard direct labor hours for actual production. The following information is available regarding the company's operations for the period: Actual units produced 12,100 units Total actual direct labor hours 88,000 hours Actual variable manufacturing overhead incurred $ 792,000 Budgeted units for the period 10,800 units Required: Calculate the variable overhead variances. Use your answer to answer the following questions. NOTE: Please enter all variances as positive numbers. The amount of the variable manufacturing overhead spending variance for the period is $ A Indicate if the variable manufacturing overhead spending variance is favourable (enter the letter F) or unfavourable (enter the letters UF). The amount of the variable manufacturing overhead efficiency variance for the period is $ ... Indicate if the variable manufacturing overhead efficiency variance is favourable (enter the letter F) or unfavourable (enter the letters UF). AJ