General Project Cost Categories
1. Direct Costs
  - Labor (wages, benefits)
  - Materials (raw materials, supplies)
  - Equipment (rental, maintenance)
  - Subcontractors
2. Indirect Costs
  - Administrative expenses (office supplies, management salaries)
  - Utilities (electricity, water)
  - General conditions (site security, temporary facilities)
3. Fixed Costs
  - Pre-determined expenses unaffected by project scale (e.g., leases,
insurance)
4. Variable Costs
  - Expenses fluctuating with project activity (e.g., fuel, hourly labor)
5. Overhead Costs
  - Operational overhead (office rent, software licenses)
  - Project-specific overhead (quality control, safety measures)
6. Opportunity Costs
  - Benefits foregone by choosing one project over another
7. Sunk Costs
  - Irrecoverable past expenses (e.g., abandoned prototypes)
8. Soft Costs
  - Design/engineering fees
  - Permits and legal fees
9. Unforeseen Costs
  - Contingency reserves
  - Price fluctuations (material/currency changes)
10. Profit & Margin
  - Profit markup and financing costs
 Industry-Specific Examples
- Construction Projects:
  - Surveying, foundation work, above-ground structures
  - Labor, materials, equipment, subcontractors
- Software/IT Projects:
  - Labor (developers), licenses, cloud services