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SmartSound manufactures headphone cases. During September 2024, the company produ cases and recorded the following cost data: Data table Data table Requirements 1. Compute the cost and efficiency variances for direct materials and direct labor. 2. For manufacturing overhead, compute the variable overhead cost and efficiency variances and the fixed overhead cost and volume variances. 3. SmartSound's management used better quality materials during September. Discuss the trade-off between the two direct material variances. SmartSound manufactures headphone cases. During September 2024, the company produced and sold 106,000 cases and recorded the following cost data: (Click the icon to view the cost data.) Read the requirements. Requirement 1. Compute the cost and efficiency variances for direct materials and direct labor. Begin with the cost variances. Select the required formulas, compute the cost variances for direct materials and direct labor, 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. )