ooo AT&T 2:42 PM 30%) 1 instructure-uploads.s3.amazonaws.com Problem 4 7. Three recent college graduates have formed a partnership and have opened an advertising firm. Their first project consists of activities listed in the following table. a. Draw the precedence diagram. b. What is the probability that the project can be completed in 24 days or less? In 21 days or less? **Prior to completing part b., you must create an ES/LS table and determine the average time for completion. You will not receive full credit unless you submit these parts. TIME IN DAYS Immediate Activity Predecessor Optimistic Most Likely Pessimistic 12 15 End E, G,I d. The partners have decided that shortening the project by two days would be beneficial, as long as it doesn't cost more than about $20,000. They have estimated the daily crashing costs for each activity in thousands, as shown in the following table. Which activities should be crashed and what further analysis would they probably want to do? Activity First Crash Second Crash $10 10