Overhead Variances, Four-Variance Analysis Oerstman, Inc., uses a standard costing system and develops its overhead rates from the current annual budget. The budget is based on an expected annual output of 124,000 units requiring 496,000 direct labor hours. (Practical capacity is 516,000 hours.) Annual budgeted overhead costs total $813,440, of which $585,280 is fixed overhead. A total of 119,300 units using 494,000 direct labor hours were produced during the year. Actual variable overhead costs for the year were $260,700, and actual fixed overhead costs were $555,750. Required: 1. Compute the fixed overhead spending and volume variances. Fixed Overhead Spending Variance $ Fixed Overhead Volume Variance $ 2. Compute the variable overhead spending and efficiency variances. Do not round intermediate calculations Variable Overhead Spending Variance $ 33,460 Unfavorable Variable Overhead Efficiency Variance $ 884 Unfavorable

Explanation:

1).

Fixed overhead rate = Budgeted fixed overhead / Budgeted direct labor hours = $585,280 / 496000 = $1.18 per hour

Standard hour per unit = 496000 / 124000 = 4 hours per unit

Standard hours for actual production = 119300 * 4 = 477200 hours

Budgeted fixed overhead = $585,280

Actual fixed overhead = $555,750

Fixed overhead applied = SH * Standard rate of fixed overhead = 477200 * $1.18 = $563,096

Fixed overhead spending variance = Budgeted fixed overhead - Actual fixed overhead

= $585,280 - $555,750 = $29,530 F

Fixed overhead volume variance = Fixed overhead applied - Budgeted fixed overhead

= $563,096  - $585,280 = $22,184 U

2).

Standard rate of variable overhead = ($813,440 - $585,280) / 496000 = $0.46 per hour

Actual rate of variable overhead = $260,700 / 494000 = $0.5277327935 per hour

Variable overhead spending variance = (SR - AR) * AH = ($0.46 - $0.5277327935) * 494000 = $33,460 U

Variable overhead efficiency variance = (SH - AH) * SR = (477200 - 494000) * $0.46 = $7,728 U

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