What is a trade study? What is the work product of a trade study? What are the attributes of a trade study? How are trade studies conducted? Who is responsible for conducting trade studies? When are trade studies conducted? Why do you need to perform trade studies? What is a trade space? What methodology is used to perform a trade study? How do you select trade study decision factors, criteria, and weights? What is a utility function? What is a sensitivity analysis? How do you document, report, and present trade study results? What are some of the Enterprise issues, technical issues, and risks in conducting a trade study? Resources please