Assignment 5: Given the following information, costs are given in thousands of dollars, time in days.. Optimistic Most Likely Pessimistic Crash Normal Crash Activity Predecessor Time Time Time Time cost cost $40 $100 $50 $50 $30 $70 $40 $80 $20 $50 $60 $90 DE $30 $60 (1) Find all expected activity times. (2) Draw the PERT network. (3) Find all paths in this project. (4) What is the critical path? (6) what is the probability of completing this project in 27 days? (7) The completion time corresponding to 95% probability. (8) Find the crash cost per day. (9) Which activities should be crashed to meet a project deadline of 25 days with minimum cost? Assume partial crashing. (10) Find the new cost. (5) Find the slack on all activities