You adhered to project standards (such as coding standards) which ensured QA was enforced. You understood that deviation from standards or guidelines will have an impact on quality, time and therefore pricing. For example, during the realization phase of a development project, interpretations of the signed off design document where there is subjectivity will impact pricing if the interpretation does not meet the client's requirements and therefore requires re-work. You participated in the QA process which ensured all components were coded strictly as designed.