sunk cost

s a Historical Cost in The past , it's already spent and you can not change and Decisions involve only the present and the future, to not spend again

- Used to explain the concept in accounting and business contexts.
- Used when training staff or documenting procedures and policies.

- Example: Teams reference **sunk cost** when defining terms in manuals, policies, or training materials.

- Why it matters: Improves clarity and consistency across documentation and decision-making.