Obj. 1 Vernon Inc. has analyzed the setup time on its computer-controlled lathe. The setup requires changing the type of fixture that holds a part. The average setup time has been 140 minutes, consisting of the following steps: Details a. Why should management be concerned about improving setup time? b. What do you recommend to Vernon Inc. for improving setup time? c. How much time would be required for a setup, using your suggestion in (b)