Skepticism is deserved. It's a very fine balance, and bearing in mind not much software exist that is entirely bug-free. What is the cost of a bug that is neve

Skepticism is deserved. It's a very fine balance, and bearing in mind not much software exist that is entirely bug-free. What is the cost of a bug that is never discovered? Is it negative? What is the cost of fixing a bug that would never have caused a problem (at each stage of development)? It's way more complex than bugs == bad