You just completed developing the schedule for your project. You have set a tentative date for starting the project on March 1. Based upon the schedule, the project will be completed by December 15. The project sponsor comes to you and says the project must be completed by December 1. Which of the following is not considered a schedule compression technique? A. Doing more activities in parallel

B. Paying a vendor more to deliver a critical path item sooner

C. Reducing some of the project scope

D. Working overtime or adding a second shift

E. All the above