Answer:
See below
Explanation:
Given that;
Standard direct labor hours required = 4
Actual units made = 3,350
Budgeted units = 3,350 + 150 = 3,500
Budgeted direct labor cost = $117,600
Direct labor cost incurred = $111,850
Direct labor hours worked = $13,450
Labor efficiency variance = (Actual hours - Standard hours) × Standard rate
Standard rate = Budgeted direct labor cost ÷ (Direct labor hours required × Budgeted unit)
= $117,600 ÷ (4 × 3,500)
= $8.4
Hence,
Labor efficiency variance = [($13,450 - (4 × 3,350)] × $8.4
= $420 Favorable