Standard Costing & Variance Analysis: Techniques, Variances & Control

TAKEAWAYS:

• Standard costing sets predetermined costs for materials, labor, and overhead to measure performance.
• Variances (favorable/unfavorable) compare actual vs. standard costs to identify inefficiencies.
• Material variances include price and usage variances; labor variances include rate and efficiency variances.
• Overhead variances (volume, spending, efficiency) help control indirect costs.
• Variance analysis aids in budgeting, pricing, and operational improvements.
• Real-world applications include inventory control (Daraz), wage management (Pathao drivers), and cost efficiency (NTC’s overhead control).

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1. Introduction to Standard Costing

Standard costing is a cost accounting technique that establishes predetermined costs for materials, labor, and overheads based on historical data, engineering studies, and industry benchmarks. These standards serve as benchmarks to evaluate actual performance.

Why Use Standard Costing?

• Provides a budgetary control tool for managers.
• Simplifies cost accounting by using predetermined costs.
• Helps in pricing decisions and profit planning.
• Identifies cost inefficiencies through variance analysis.

Components of Standard Costing

Standard costs are set for:

1. Direct Materials (quantity and price)
2. Direct Labor (hours and rate)
3. Overheads (variable and fixed)

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2. Setting Standard Costs

Standards are derived from:

• Historical data (past performance).
• Engineering studies (optimal usage).
• Industry benchmarks (competitor analysis).
• Management policies (cost control targets).

Types of Standards

Note: Most businesses use currently attainable standards for practical variance analysis.

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3. Variance Analysis

Variances measure the difference between actual costs and standard costs. They help managers identify where and why costs deviate from expectations.

Types of Variances

A. Material Variances

1. Material Price Variance (MPV)

   • Formula: $$MPV=(ActualPrice-StandardPrice)\times ActualQuantity$$
   • Cause: Price fluctuations, supplier changes, bulk discounts.
   • Example: A Kathmandu textile shop buys cotton at ₹80/kg instead of the standard ₹75/kg.

2. Material Usage (Quantity) Variance (MUV)

   • Formula: $$MUV=(ActualQuantity-StandardQuantity)\times StandardPrice$$
   • Cause: Waste, inefficiency, poor quality materials.
   • Example: A biscuit factory uses 5 kg instead of the standard 4 kg per batch.

B. Labor Variances

1. Labor Rate Variance (LRV)

   • Formula: $$LRV=(ActualRate-StandardRate)\times ActualHours$$
   • Cause: Overtime, skilled vs. unskilled labor, wage hikes.
   • Example: Pathao drivers are paid ₹600/day instead of the standard ₹550/day.

2. Labor Efficiency Variance (LEV)

   • Formula: $$LEV=(ActualHours-StandardHours)\times StandardRate$$
   • Cause: Worker productivity, machine breakdowns, training issues.
   • Example: A garment factory takes 12 hours instead of 10 hours to complete an order.

C. Overhead Variances

1. Variable Overhead Variance (VOV)

   • Formula: $$VOV=(ActualVariableOverhead-StandardVariableOverhead)$$
   • Cause: Changes in utility costs, indirect material prices.

2. Fixed Overhead Variance (FOV)

   • Components:
     • Volume Variance: Due to changes in production volume.
     • Spending Variance: Due to budget overruns or savings.

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4. Worked Example: Standard Costing for a Kathmandu Retail Shop

Scenario: Kathmandu Supermart sells ready-made clothes. For a standard shirt:

• Direct Material Cost: ₹500 (2 meters of fabric at ₹250/meter).
• Direct Labor Cost: ₹300 (2 hours at ₹150/hour).
• Variable Overhead: ₹100 (packaging, utilities).
• Fixed Overhead: ₹200 (rent, salaries).

Actual Performance (June 2024):

• Materials Used: 2.2 meters at ₹260/meter.
• Labor Hours: 2.5 hours at ₹160/hour.
• Variable Overhead: ₹110.
• Fixed Overhead: ₹210.

Step 1: Calculate Standard Cost per Shirt

Step 2: Calculate Actual Cost per Shirt

Step 3: Compute Variances

1. Material Price Variance (MPV): $$MPV=(260-250)\times 2.2=₹22\text{ (Unfavorable)}$$ Reason: Fabric prices increased due to supply chain issues.

2. Material Usage Variance (MUV): $$MUV=(2.2-2)\times 250=₹50\text{ (Unfavorable)}$$ Reason: Poor cutting led to wastage.

3. Labor Rate Variance (LRV): $$LRV=(160-150)\times 2.5=₹25\text{ (Unfavorable)}$$ Reason: Overtime payments for rush orders.

4. Labor Efficiency Variance (LEV): $$LEV=(2.5-2)\times 150=₹75\text{ (Unfavorable)}$$ Reason: Slow production due to machine issues.

5. Variable Overhead Variance (VOV): $$VOV=110-100=₹10\text{ (Unfavorable)}$$ Reason: Higher utility costs.

6. Fixed Overhead Variance (FOV): $$FOV=210-200=₹10\text{ (Unfavorable)}$$ Reason: Increased rent.

Step 4: Interpret Results

• Total Unfavorable Variance: ₹162 (₹1,292 - ₹1,100).
• Action Plan:
  • Negotiate with fabric suppliers to reduce MPV.
  • Train staff to minimize MUV and LEV.
  • Optimize labor scheduling to control LRV.

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5. Advantages and Disadvantages of Standard Costing

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6. Applications in Nepali Businesses

A. E-Sewa & Khalti (Digital Payments)

• Standard Costing for Transaction Fees:
  • E-Sewa sets a standard processing cost (e.g., ₹5 per transaction).
  • If actual costs exceed due to fraud or system errors, variances are analyzed to improve security protocols.

B. Daraz (E-Commerce Logistics)

• Material Variance in Packaging:
  • Daraz’s warehouse uses standard packaging costs (e.g., ₹20 per order).
  • If actual costs rise due to bulk discounts or supplier changes, MPV is calculated to adjust procurement strategies.

C. NTC (Transport & Fuel Costs)

• Labor Efficiency in Bus Operations:
  • NTC sets standard driving hours per route (e.g., 8 hours for Kathmandu-Pokhara).
  • If drivers take longer due to traffic, LEV is computed to optimize routes or schedules.

D. NEPSE (Stock Market)

• Standard Costing for Brokerage Fees:
  • Stockbrokers use standard commission rates (e.g., 0.5% per trade).
  • If actual fees vary due to market volatility, variance analysis helps adjust pricing models.

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7. The Accounting Cycle with Standard Costing

Key Steps:

1. Set standards (based on historical data).
2. Record actual costs (from journals/ledgers).
3. Compute variances (compare actual vs. standard).
4. Analyze causes (inefficiencies, external factors).
5. Take action (renegotiate contracts, retrain staff).
6. Update standards (for future periods).

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8. Exam Tip: How to Score Full Marks

1. Understand the Difference Between Favorable and Unfavorable Variances:

   • Favorable: Actual cost < Standard cost (saves money).
   • Unfavorable: Actual cost > Standard cost (costs more).

2. Memorize Formulas:

   • Material Price Variance = (AP - SP) × AQ
   • Labor Rate Variance = (AR - SR) × AH

3. Practice Numerical Problems:

   • Always show step-by-step calculations (like the Kathmandu Supermart example).
   • Label variances clearly (e.g., "Unfavorable due to...").

4. Link Theory to Real-World Scenarios:

   • In exams, relate variances to Nepali businesses (e.g., Daraz’s packaging costs, NTC’s fuel efficiency).

5. Diagrams Help!

   • Draw T-accounts for variance summaries.
   • Use flowcharts to explain the accounting cycle.

6. Common Mistakes to Avoid:

   • Mixing up price vs. usage variances.
   • Forgetting to interpret causes of variances (examiners check this!).
   • Ignoring fixed vs. variable overhead distinctions.

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Final Note: Standard costing is not just about numbers—it’s a management tool to improve efficiency. Master the formulas, but also understand why variances occur and how to fix them. In exams, show your work and explain your answers clearly!