(a) Develop a project network. (T) (1) 0 (b) Develop an activity schedule. (c) What are the critical activities? (Enter your answers as a comma-separated list.) What is the expected project completion time (in weeks)? weeks (d) Assume that the company wants to complete the project in six months or 26 weeks. What is the amount of crash time (in weeks) for each activity that minizes cost? (A,B,C,D,E)=() (e) Develop an activity schedule for the crashed project. (f) What added project cost (in thousands of dollars) is required to meet the six-month completion time? thousands of dollars