Listen again to part of the lecture, then answer the question.Why should we have a single engineering department that has all four cars passing through it?When you design a car, you need the expertise of all the engineers in the company.Each engineer needs to be in touch with the entire engineering department.Yeah, but I keep...I keep asking why? I wanna know why.Why does the professor say this:Yeah, but I keep...I keep asking why? I wanna know why.