Standard
Standard
Costing: A
Costing: A
Managerial
Managerial
Control Tool
Control Tool
CHAPTER
9 -2
1.
Tell how unit standards are set and why
standard costing systems are adapted.
2.
State the purpose of a standard cost sheet.
3.
Describe the basic concepts underlying
variance analysis, and explain when
variances should be investigated.
4
. Compute the material and labor variances,
and explain how they are used for control.
Objectives
Objectives
Objectives
Objectives
After studying this
After studying this
chapter, you should
chapter, you should
be able to:
be able to:
After studying this
After studying this
chapter, you should
chapter, you should
be able to:
be able to:
Continued
5.
Calculate the variable and fixed overhead
variances, and give their definitions.
6.
Appendix: Prepare journal entries for
materials and labor variances, and show how
to account for overhead variances.
Objectives
Objectives
Objectives
9 -4
Cost control often means
the difference between
success and failure.
Cost control often means
the difference between
Why Standard Cost Systems
Are Adopted
Standard costing systems enhance
planning
and control
and improve performance
measurement.
9 -6
Direct Direct
Materials Labor Overhead
Actual costing system Actual Actual Actual
Normal costing system Actual Actual Budgeted
Standard costing system Standard Standard Standard
Standard Cost Sheet
for Corn Chips
Standard Standard Standard
Price Usage Cost Subtotal Description
Direct materials:
Yellow corn $0.006 18 oz. $0.108 Cooking oil 0.031 2 oz. 0.062 Salt 0.005 1 oz. 0.005 Lime 0.400 0.01 oz. 0.004 Bags 0.044 1 bag. 0.044
9 -8
Standard Cost Sheet
for Corn Chips
Standard Standard Standard
Price Usage Cost Subtotal Description
Direct materials $0.223
Direct labor:
Inspectors $7.000 0.0070 hr. $0.049 Machine operators 10.000 0.0008 hr. 0.008
Total direct labor 0.057
Overhead:
Variable overhead 3.850 0.078 hr. $0.030 Fixed overhead 32.050 0.0078 hr. 0.250
Total overhead 0.280
During the first week of March, 100,000
packages of corn chips are produced.
During the first week of March, 100,000
packages of corn chips are produced.
The standard quantity of yellow corn meal per package is 18 ounces.
9 -10
SQ
= Unit quantity standard x Actual output
= 18 x 100,000
= 1,800,000 ounces
Standard Quantity of Materials Allowed
SH
= Unit labor standard x Actual output
= 0.0008 x 100,000
= 80 direct labor hours
Total variance = Price variance
+
Usage variance
= (AP – SP)AQ
+
(AQ – SQ)SP
= [(AP x AQ) – (SP x AQ)]
+
[(SP x AQ) – (SP x SQ)]
= (AP x AQ) – (SP x AQ)]
9 -12
Variance Analysis: General Description
1. AP x AQ 1. AP x AQ
(Actual Quantity (Actual Quantity of Input at Actual of Input at Actual Price)
Price)
2. SP x AQ
(Actual Quantity of Input at
Standard Price)
3. SP x SQ 3. SP x SQ (Standard (Standard
Quantity of Input Quantity of Input at Standard Price) at Standard Price)
Favorable variances occur whenever the
opposite occurs. Favorable variances
occur whenever the opposite occurs. Unfavorable variances
occur whenever actual prices or usage of inputs are greater than standard
prices or usage.
Unfavorable variances occur whenever actual prices or usage of inputs are greater than standard
9 -14
Cost
Time
$110,000
$100,000
$ 90,000 x
x
x
x
x
Variance Analysis: Materials and Labor
Variance Analysis: Materials and Labor
Variance Analysis: Materials and Labor
Variance Analysis: Materials and Labor
Actual production 48,500 bags of corn chips
Actual cost of corn 780,000 ounces of $0.0069 = $5,382 Actual cost of
inspection labor 360 hours at $7.35 = $2,646
9 -16 $558 F $558 F Usage Variance Usage Variance $702 U $702 U Price Variance Price Variance $144 U $144 U Total Variance Total Variance
Variance Analysis: Columnar Approach
AQ x AP AQ x AP
780,000 x 0.0069 780,000 x 0.0069 $5,382
$5,382
AQ x SP AQ x SP
780,000 x $.0.0060 780,000 x $.0.0060 $4,680
$4,680
SQ x SP
MPV = (AP – SP)AQ
Material Price Variance
Material Price Variance
Material Price Variance
Material Price Variance
The actual
The actual
price per unit
price per unit
The standard
The standard
price per unit
price per unit
The actual
The actual
quantity of
quantity of
material used
9 -18
MPV = (AP – SP)AQ
Material Price Variance
Material Price Variance
Material Price Variance
Material Price Variance
= ($0.0069 – $0.0060)780,000
= $0.0009 x 780,000
= $702 U
Direct Materials Usage Variance
Direct Materials Usage Variance
Direct Materials Usage Variance
Direct Materials Usage Variance
MUV = (AQ – SQ)SP
The actual The actual quantity of quantity of materials used materials used The standard The standard quantity of quantity of materials materials
allowed for the
allowed for the
actual output
actual output
The standard
The standard
price per unit
9 -20
MUV = (AQ – SQ)SP
Direct Materials Usage Variance
Direct Materials Usage Variance
Direct Materials Usage Variance
Direct Materials Usage Variance
= (780,000 – 873,000)($0.006)
= 93,000 x $0.006
= $558 F
LRV = (AR – SR)AH
The actual hourly wage
rate
The standard hourly wage
rate
The actual direct labor
hours used
Labor Rate Variances
Labor Rate Variances
9 -22
Labor Rate Variances
Labor Rate Variances
Labor Rate Variances
Labor Rate Variances
LRV = (AR – SR)AH
= ($7.35 – $7.00)360
= $0.35 x 360
= $126 U
$269.50 U $269.50 U Total Variance Total Variance AH x AR
360 x $735 $2,646
AH x SR AH x SR
360 x $7.00 360 x $7.00
$2,520 $2,520
SH x SR SH x SR
9 -24
LEV = (AH – SH) SR
The actual direct labor
hours used
The standard direct labor
hours that should have
been used
The standard hourly wage
rate
Labor Efficiency Variances
Labor Efficiency Variances
Labor Efficiency Variances
Labor Efficiency Variances
Labor Efficiency Variances
Labor Efficiency Variances
LEV = (AH – SH)SR
= (360 – 339.5)$7
= 20.5 x $7
= $143.50 U
9 -26
Variable Overhead Variances
Variable overhead rate (standard) $3.85/DLH Actual variable overhead costs $1,600
Actual hours worked 400
Bags of chips produced 48,500
$144 U $144 U Total Variance Total Variance $84 U $84 U Efficiency Variance Efficiency Variance $60 U $60 U Spending Spending Variance Variance Actual VO Actual VO $1,600 $1,600
VO Rate x VO Rate x Actual Hours Actual Hours
$1,540 $1,540
VO Rate x Standard Hours
9 -28
VOSV = (AVOR x AH) – (SVOR x AH)
Variable Overhead
Variable Overhead
Spending Variances
Spending Variances
Variable Overhead
Variable Overhead
Spending Variances
Spending Variances
= (AVOR – SVOR)AH
= ($4.00 – $3.85)400
Crunch Chips, Inc.
Crunch Chips, Inc.
Flexible Budget Performance Report
Flexible Budget Performance Report
For the Week Ended March 8, 2004
For the Week Ended March 8, 2004
Cost Cost Formula Formula
Actual Actual
Costs
Costs BudgetBudget
Spending Spending
Variance Variance
9 -30
Crunch Chips, Inc. Performance Report
For the Week Ended March 8, 2004
Cost Cost Formula Formula Actual Actual Costs
Costs BudgetBudget
Spending Spending
Variance Variance
Gas $3.00 $1,190 $1,200 $10 F Electricity 0.78 385 312 73 U Water 0.07 25 28 3 F Total cost $3.85 $1,600 $1,540 $60 U
Budget Budget for for Standard Standard Hours
Hours EfficiencyEfficiencyVarianceVariance
Fixed Overhead Variances
Budgeted fixed overhead $749,970 Practical activity 23,400 direct labor hours Standard fixed overhead rate $32.05
Hours allowed to produce 3,000,000 bags of chips: 0.078 x 3,000,000 = $23,400
Budgeted or Planned Items
Actual Results
Actual production 2,750,000 bags of chips Actual fixed overhead cost $749,000 Standard hours allowed for actual
9 -32
Total Fixed Overhead Variances
Applied fixed overhead
Standard fixed overhead rate x Standard hours
=
= $32.05 x 21,450
= $687,473 (rounded) Total fixed
$61,527 U $61,527 U Total Variance Total Variance $970 F
$970 F Spending Spending
Variance Variance Actual FO
$749,000
Budgeted FO Budgeted FO
$749,970
$749,970 Applied FOApplied FO$687,473$687,473
9 -34
Crunch Chips, Inc. Performance Report For the Year Ended 2004
Actual Actual
Costs Costs
Budgeted Budgeted
Cost
Cost VarianceVariance Depreciation $530,000 $530,000 $ ---- Salaries 159,370 159,970 600 F Taxes 50,500 50,000 500 U Insurance 9,130 10,000 870 F Total fixed overhead $749,000 $749,970 $970 F
Fixed Fixed
Volume Variance
Volume variance = $32.05(23,400 – 21,450)
= ($32.05 x 23,400) – ($32.05 x 21,450) = $749,970 – $687,473
= Budgeted fixed overhead – Applied fixed overhead
9 -36
Appendix:
The actual price is $0.0069 per ounce of
corn and standard price is $0.0060, and
780,000 ounces of corn are purchased.
The actual price is $0.0069 per ounce of
corn and standard price is $0.0060, and
780,000 ounces of corn are purchased.
The receiving report and the invoice are used to record the receipt of the
merchandise and to control the payment. Materials Inventory 4 680 00
Materials Price Variance 702 00
Accounts Payable 5 382 00
Material Price Variance
Material Price Variance Material Price Variance
9 -38
During the period 780,000 ounces of corn
is placed into production. The
standard quantity is 873,000 ounces,
and standard price is $0.006.
During the period 780,000 ounces of corn
is placed into production. The
standard quantity is 873,000 ounces,
and standard price is $0.006.
The receiving report and the invoice are used to record the receipt of the
merchandise and to control the payment. Work in Process 5 238 00
Materials Usage Variance 558 00
Materials Inventory 4 680 00
Material Usage Variance
Material Usage Variance Material Usage Variance
inspection hours, while the standard hours
for the units produced is 339.5 hours. The
actual rate is $7.35 per hour while the
standard rate is $7.00 per hour.
inspection hours, while the standard hours
for the units produced is 339.5 hours. The
actual rate is $7.35 per hour while the
standard rate is $7.00 per hour.
The receiving report and the invoice are used to record the receipt of the
merchandise and to control the payment. Work in Process 2 376 00
Labor Efficiency Variance 143 50 Labor Rate Variance 126 00
Accrued Payroll 2 646 00
Labor Variances
Labor Variances Labor Variances
9 -40
At the end of the year, the variances for
materials and labor are usually closed to
Cost of Goods Sold.
At the end of the year, the variances for
materials and labor are usually closed to
Cost of Goods Sold.
The receiving report and the invoice are used to record the receipt of the
merchandise and to control the payment. Cost of Goods Sold 971 50
Material Price Variance 702 00 Labor Efficiency Variance 143 50 Labor Rate Variance 126 00
Closing Variances
Closing Variances Closing Variances
At the end of the year, the variances for
materials and labor are usually closed to
Cost of Goods Sold.
At the end of the year, the variances for
materials and labor are usually closed to
Cost of Goods Sold.
The receiving report and the invoice are used to record the receipt of the
merchandise and to control the payment. Material Usage Variance 558 00
Cost of Goods Sold 558 00
Closing Variances
Closing Variances Closing Variances
9 -42
The End
The End
The End
The End
Chapter Nine