Shade Company adopted a standard cost system several years ago. The standard costs for direct labor and direct materials for its single product are as follows: Materials (5 kilograms × $12.00/kilogram) = $60.00/unit. Direct labor (3.5 hours/unit × $20.00/hour) = $70.00/unit. All materials were issued at the beginning of processing. The operating data shown below were taken from the records for December:
In-process beginning inventory | None |
In-process ending inventory—80% complete as to labor | 960 units |
Units completed during the period | 6,700 units |
Budgeted output | 7,200 units |
Purchases of materials (in kilograms) | 40,000 |
Total actual direct labor cost incurred | $528,410 |
Direct labor hours worked (AQ) | 26,500 hours |
Materials purchase-price variance | $1,600 favorable |
Increase in materials inventory in December | 1,550 kilograms |
The direct labor efficiency variance for December was:
$1,590 favorable. |
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$5,650 favorable. |
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$7,240 unfavorable. |
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$59,410 unfavorable. |
C. $7,240 unfavorable
Total equivalent units produced with respect to direct labor = units completed + equivalent units in ending WIP inventory (with respect to direct labor) = 6,700 units (given) + (960 × 0.8) = 7,468 units
Standard labor hours allowed = units produced (with respect to direct labor) × standard direct labor hours/unit = 7,468 units × 5 hours/unit (given) = 26,138 standard hours allowed = SQ
Direct labor efficiency variance = (AQ - SQ) × SP = (26,500 (given) - 26,138) hours × $20/hour (given) = $7,240 unfavorable
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