Operating Expenses
Operating expenses are the costs of running the business day-to-day. Understanding them reveals how efficiently a company operates.
Operating expenses (OpEx) are like the fuel your car needs to run. Revenue is useless if expenses eat it all up.
What Are Operating Expenses?
Costs directly related to:
- Producing goods or services
- Running daily operations
- Selling and marketing
- Administration
These expenses are deducted from revenue to find profit.
Types of Operating Expenses
Cost of Goods Sold (COGS)
Direct costs to produce what's sold:
| For Manufacturing | For Services |
|---|---|
| Direct labor | Project-specific costs |
| Factory overhead | Software/tools |
COGS varies directly with sales volume – sell more, spend more.
Employee Costs
| Component | Examples |
|---|---|
| Stock compensation | ESOP expenses |
For service companies, this is often the largest expense.
Employee cost as a percentage of revenue shows labor intensity. IT companies might be 40-60%; manufacturers might be 10-20%.
Selling, General & Administrative (SG&A)
Everything else to run the business:
| Selling | General & Admin |
|---|---|
| Distribution | Office supplies |
Depreciation and Amortization
Non-cash expenses that spread asset costs over time:
- Depreciation – For physical assets (machinery, buildings)
- Amortization – For intangible assets (patents, software)
High depreciation means the company invested heavily in assets. It's not actually spending cash each year on this.
Fixed vs Variable Expenses
| Type | Behavior | Examples |
|---|---|---|
| Fixed | Same regardless of sales | Rent, salaries, insurance |
| Variable | Changes with sales | Raw materials, commissions |
Companies with high fixed costs need volume to be profitable.
Expense Analysis
1. Expense Trends
Compare year-over-year:
- Are expenses growing faster than revenue? Bad sign.
- Are expenses growing slower than revenue? Improving efficiency.
2. Expense Ratios
| Ratio | Formula | Insight |
|---|---|---|
| Gross Margin | (Revenue - COGS) / Revenue | Production efficiency |
| Operating Margin | Operating Profit / Revenue | Overall efficiency |
| SG&A Ratio | SG&A / Revenue | Overhead burden |
3. Industry Comparison
Expenses vary by industry:
| Industry | Typical Gross Margin |
|---|---|
| Software | 70-85% |
| Retail | 25-35% |
| Manufacturing | 30-50% |
| Airlines | 20-30% |
Compare against peers, not across industries.
Operating Leverage
High fixed costs create operating leverage:
- Small revenue increase → Large profit increase
- Small revenue decrease → Large profit decrease
This amplifies both gains and losses.
Red Flags
| Warning Sign | What It Means |
|---|---|
| R&D cuts | Sacrificing future for today |
Key Takeaways
- Operating expenses are costs of running the business
- COGS is direct cost; SG&A is overhead
- Fixed vs variable expenses affect risk profile
- Compare expense ratios to track efficiency
- Industry context is essential for comparison
Next: After all expenses, what's left? Let's understand net profit.
Sources & Disclaimer
- ICAI Financial Reporting Standards
- Companies Act 2013 - Financial Statement Formats
Note: Any benchmarks (e.g., "Good ROE is > 20%", or specific P/E ranges) are simplified industry heuristics for educational purposes. True evaluation depends on specific industry context, market cycles, and individual company circumstances.