工賃

1. Origins, structure, and basic meaning

• Structure: The cost noun 工賃 (こうちん) is the labor charge for repair or craft work, apart from materials.
• Basic usage: It is calculated separately from 部品代 and may vary with the artisan's working time.

2. Common pitfalls and similar expressions

• Charge for labor
  • It focuses on the amount charged for work performed, excluding material or part costs.