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Superior, Inc. uses a standard cost system and provides the following information. (Click the icon to view the information.) Superior allocates manufacturing overhead to production based on standard direct labor hours. Superior reported the following actual results for 2018: actual number of units produced, 1,000; actual variable overhead, $5,000; actual fixed overhead, $3,500; actual direct labor hours, 1,500. Read the requirements. Requirement 1. Compute the variable overhead cost and efficiency variances and fixed overhead cost and volume variances. Begin with the variable overhead cost and efficiency variances. Select the required formulas, compute the variable overhead cost and efficiency variances, and identify whether each variance is favorable (F) or unfavorable (U). (Abbreviations used: AC= actual cost; AQ= actual quantity; FOH= fixed overhead; SC= standard cost; SQ= standard quantity; VOH= variable overhead. ) Data table Requirements 1. Compute the variable overhead cost and efficiency variances and fixed overhead cost and volume variances. 2. Explain why the variances are favorable or unfavorable