You are the Test Manager of a project that adopts a V-model with four formal levels of testinG. unit, integration, system and acceptance testing. On this project reviews have been conducted for each…

You are the Test Manager of a project that adopts a V-model with four formal levels of testinG. unit, integration, system and acceptance testing. On this project reviews have been conducted for each development phase prior to testing, which is to say that reviews of requirements, functional specification, high-level design, low-level design and code have been performed prior to testing. Assume that no requirements defects have been reported after the release of the product. Which TWO of the following metrics do you need in order to evaluate the requirements reviews in terms of phase containment effectiveness?