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Law Number XV: The last 10 percent of performance…

“Law Number XV: The last 10 percent of performance generates one-third of the cost and two-thirds of the problems.” quote by Norman Ralph Augustine
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“Law Number XV: The last 10 percent of performance generates one-third of the cost and two-thirds of the problems.”

Norman Ralph Augustine

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

The final 10% of performance causes most cost and problems, highlighting diminishing returns.

In simple terms: Last 10% of work creates most issues.

Key Takeaway

Focus on optimizing final effort.

Themes

efficiency cost performance

Mood

analytical pragmatic

Type

business technical

When to use this quote

  • project management
  • software development
  • manufacturing
  • service delivery
  • budget planning

Key Concepts

diminishing returns process optimization risk management

Questions to Reflect On

  • Where do you allocate resources?
  • How can you mitigate late‑stage problems?
A Different Perspective

May ignore early-stage issues.

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