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Overhead Variances and Management Control: II

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Overhead Variancesand Management Control: II

Chapter 8

- VOH vs. FOH
- Features of a standard-cost system
- Calculation of VOH variances
- VOH Efficiency variance

- Calculate FOH variances
- Production-volume variance—meaning

- 4, 3, 2, 1 OH variance analysis
- J.E.s for MOH variances—which are favorable?
- Balanced Scorecard

- Simple recording system
- Cost to run system is relatively low.
All output units are costed at standard—no need to keep track of the actual costs/unit or the use of allocation bases.

- Cost to run system is relatively low.

Actual“no name”FlexibleBudget

Actual

$VOH

AQ Alloc.base used

X

BR/unit Alloc.base

For actual output:

BQ Alloc.base

X

BR/unit Alloc.base

For budget output:

BQ Alloc.base

X

BR/unit Alloc.base

|----------------------------SBV--------------------------------------|

|----------------FBV------------------------|----------SVV---------|

|----Spending V-----|------Efficiency V------|

Larry’s Machine Shop uses machine hours as the base to allocate VMOH. Larry budgeted output of 10,000 units using 7,500 machine hours. Budgeted VMOH cost per unit of output is $15.

Actual output was 12,000 units, actual machine hours used were 11,000 hours, and actual VOH rate was $16 per unit of output.

Calculate the: Static Budget, Sales-volume, Flex., Spending (price), and Efficiency (usage) variances.

The efficiency variance that we calculated for direct inputs relates to how efficient we used the direct input (materials, labor).

The VOH efficiency variance addresses how efficient the cost allocation base was used.

If you want to calculate the spending or usage variance of any specific item in the cost pool, then you have to take it out of the OH pool and trace it directly.

ActualBudgetAllocated*

Actual

$FOH

Lump sum

For actual output:

BQ of Alloc.base

X

BR / unit Alloc.base

|-------- Spending -------|-------- Production Volume -------|

|------------- Over or under-allocated FMOH -------------|

* Standard costing is assumed.

- There is no:
- “flexing” of FMOH.
- sales-volume variance
- efficiency variance

- The spending variance is also called:
- Static-budget variance
- Flexible-budget variance

Actual Costs

Incurred

$300,000

Flexible Budget:

Budgeted

Fixed Overhead

$286,000

–

$14,000 U

Fixed overhead spending variance

(Fixed overhead flexible-budget variance)

Flexible Budget:

Budgeted

Fixed Overhead

$286,000

Fixed Overhead Allocated Using

Budgeted Input Allowed for

Actual Output Units Produced

$220,000

–

$66,000 U

Production-volume variance

10,000 × 2.00 × $11 = $220,000

Fixed overhead variance

$80,000 U*

P. Volume variance

$66,000 U

Spending variance

$14,000 U

* FOH was under-allocated by $80,000

Management may

have maintained some

extra capacity.

Production volume

variance focuses

only on costs.

This variance results from “unitizing” fixed costs.

** Not much economic meaning to the production-volume variance.**

Had Pasadena manufactured

13,000 suits instead of 10,000,

allocated fixed overhead

would have been = $286,000

(13,000 × 2.00 × $11).

No production-volume variance

would have occurred.

It is an issue of the level of aggregation desired.

Most organizations use 3- or 2-variance analysis for MOH.

Variances:SpendingEfficiencyProduction-volume

4-variance analysis presents the most detail:

VMOH$4,300 U$220 FNever

FMOH$1,340 FNever$700 F

3-variance analysis:

Total MOH$2,960 U$220 F$700 F

2-variance analysis:

Flexible-budgetProduction-volume

Total MOH $2,740 U $700 F

1-variance analysis: Total OH Variance

Total MOH $2,040 U

VMOH-allocated $240,000

VMOH-efficiency Var. 18,000

VMOH-control $244,775

VMOH-spending Var. 13,225

(To isolate variances for the accounting period)

Which are favorable (debit or credit entries)?

Overhead variances are examples of financial performance measures.

What are examples of nonfinancial measures?

Actual labor time, relative to budgeted time

Actual indirect materials usage per labor-hour, relative to budgeted indirect materials usage