Answer:
$40,000 (U)
Explanation:
Given that,
Flexible-budget variance for materials = $2,000
Price variance for material = $38,000
Sales-volume variance = $13,000
Efficiency variance for direct manufacturing labor = $9,000 (F)
Flexible-budget variance for materials = Price variance for material + Efficiency variance for materials
2,000 (U) = 38,000 (F) + Efficiency variance for materials
Efficiency variance for materials = 2,000 + 38,000
= $40,000 (U)