Vesuvius Plastic Company manufactures plastic buckets. A unit of production is a box of 4 buckets. The following standards have been set by the Production engineering staff and the factory accountant:
Direct material Direct labour
Quantity: 4 kilogram Quantity: 0.25 hours
Price: $0.80 per kilogram Rate: $20 per hour
Actual material purchases amounted to 240,000 kilograms at $0.81 per kilogram. Actual costs incurred in the production of 50,000 units were as follows:
Direct material $170,100 for 210,000 kilograms
Direct labour $273,000 for 13,000 hours
Required
Use the variance formulas to calculate the direct material price and quantity variances and the direct labour rate and efficiency (quantity) variances. Indicate whether each variance is favorable or unfavorable.
: Computation of Material Price & Usage Variance | ||
Material Price variance | ||
(SR-AR) AQ Purchased | ||
($0.80-$0.81)X240000 | 2400 | UnFavourable |
Material usage variance | ||
(SQ-AQ) SR | 8000 | Unfavourable |
(4 KGX50000-210000)X$0.80 |
: Computation of Labour Price & Effieincy Variance | ||
Direct labor rate variance | ||
(SR-AR) AHour | 13000 | Unfavourable |
($20-($273000/13000))X13000 | ||
Direct labor efficiency variance | 10000 | Unfavourable |
Std rate*(Std hrs allowed-Actual Hour) | ||
((0.25X50000)-13000)X$20 |
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