I need help with part C & D.

c. What is the critical path and time?

D. What is the activity variance along the critical path?

(11-38 The Laurenster Corporation has determined the client will pay it a $10,000 bonus if it completes the project in Problem 11-37 in 14 weeks or less. The associated normal times and costs as well as the crash times and cosis are shown below. 11-37 The Laurenster Corporation needs to perform the racks in the following list. Develop the associated PERT network diagram, and determine the probability that the project will be complete in 16 weeks or less, Considering the costs imvolved to crash the project, determine if the Laurenster Corporation should crash the proiect to 14 weeks to receive the bonus. 2) 11.38 from end of the textbook chapter 11. You will find the necessary information in 11.37. Follow the format in the book and the videos. a. Draw the network diagram. Determine ES, LS, EF and LF for each activity. b. What is the variance for each activity? c. What is the critical path and time? d. What is the activity variance along the critical path? e. Determine if the Laurenster Corporation should crash the project to 14 weeks to receive the bonus. Show your work at each step of that decision