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Marvel Parts, Inc
Marvel Parts, Inc., manufactures auto accessories. One of the company's products is a set of seat covers that can be adjusted to fit nearly any small car. The company has a standard cost system in use for all of its products. According to the standards that have been set for the seat covers the factory should work 1.015 hours each month to produce 2,030 sets of covers. The standard costs associated with this level of production are: Per Set Total of Covers Direct sateriala $59,276 $29.20 Direct labor $ 0,120 4.00 Variable manufacturing overhead (based on direct labor.heure) # 3,057 1.90 $35.10 8040159 During August, the factory worked only 700 direct labor-hours and produced 1,600 sets of covers. The following actual costs were recorded during the month: Direct materials (8,400 yards) Direct labor Variable manufacturing overhead Per set Total of Cover $ 42,000 $28.00 $ 6,300 4.20 2.10 534.30 At standard, each set of covers should require 4.0 yards of material. All of the materials purchased during the month were used in production Required: 1. Compute the materials price and quantity variances for August
1 At standard, each set of covers should require 4.0 yards of material. All of the materials purchased during the month were used in production 27 points 8 04:00 Required: 1. Compute the materials price and quantity variances for August 2. Compute the labor rate and efficiency variances for August. 3. Compute the variable overhead rate and efficiency variances for August. (Indicate the effect of each variance by selecting "F* for favorable, "U" for unfavorable, and "None" for no effect (le., zero variance). Input all amounts as positive values.) 1. Materiais price variance Materials quantity variance 2. Laborrate variance Labor efficiency variance 3. Variable overhead rate variance Variable overhead officiency variance
Expert Solution
1)
Standard price = Standard material cost / Standard material quantity
= $59,276 / (2030covers* 4.0 yards)
=$59,276 / 8120
Standard price = $7.3 / yard
Actual price = Actual material cost / Actual material quantity
= $42000 / 8400yards
Actual price = $5 / yard
Computation of Material variances:
a) MAterial price variance = Actual quantity ( Standard price - Actual price)
=8400 ($7.3 - $5)
=$19,320(F)
b)Material quantity variance =(Standard quantity allowed - actual quantity)*Standard price
= [(4*1500)-8400 ]* $7.3
=(6000-8400)*7.3
=$17520(U)
2) Computation of labor variances:
Standard rate = Standard labor cost / Standard labor hrs
= $8120/1015hrs
=$8/hr
Actual rate= Actual labor cost / actual labor hrs
=$6300 / 700
=$9 /hr
a)Labour rate variance = Actual hours * (Standard rate-Actual rate)
=700*($8-$9)
=$700(U)
Standard hr per unit = Standard hrs / Standard production
= 1015 / 2030
=0.5 /unit
Standard hrs = standard hrs per unit * Actual production
= 0.5 * 1500
=750hrs
b)Labor efficiency variance = standard rate (standard hrs- actual hrs)
= $8(750 - 700)
=$8 * 50
=$400(F)
3)
Standard rate = Standard variable overhead cost / Standard labor hrs
=$3857 / 1015
=$3.8 / hr
Actual rate = Actual variable overhead cost /Actual labor hrs
= $3150/700hrs
=$4.5/hr
a) Variable overhead rate variance = Actual labor hrs(Standard rate-actual rate)
= 700(3.8-4.5)
=700 *$0.7
=$490(U)
b)Variable overhead efficiency variance = Standard rate*(Standard hrs -Actual hrs)
= $3.8(750-700)
=$3.8 * 50
=$190(F)
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