QA InfoTech: Independent QA Testing Partners:

80% of average project costs indulge to fix challenges, bugs and other issues during the development of a project. No other business can afford this much failure in terms of budget and time. There can be many reasons for such failures; the focus of our discussion here is not to discuss the roots of such failures but how to improve effectiveness in terms of time and money. In agile methodology, transparency is a big challenge as there is no documentation. It's very important to pick effective metrics to use as you can't manage what you can't measure. Read more.......
http://www.articlesbd.com/articles/143133/1/Software-Test-Metrics-Empirical-Approach-towards-Quality/Page1.html