\label{tab:costs}Average defect fixing costs
Phase 1.Development 2.Testing 3.Post-release
Team members involved Developer Developer Tester Developer Tester
Average fixing time per one defect [hours], \(T\) 1 3 3
Assumed cost of man-hour \(C_{hour}\) \(C_{d}\) \(C_{d+t}\) \(C_{d+t}\)
Cost per one defect \(C_{defect}=T\times C_{hour}\) x 2.775x 2.775x