please solve this

4. [Chapter 3: 10 points] A local credit union is in the process of constructing a new automated banking platform in downtown. Here is a list of the necessary tasks that must be completed to build the new credit union facility and insta a. Draw the project AON diagram. (2) b. What is the nomal project length and critical path? (2) c. What is the project length if all activitics are crashed to their minimum? (4) d. The credit union loses $3,800 in profit per week for every week the facility is not completed. How many weeks will the project take if we are willing to pay crashing cost as long as if is less than $3,8002(2) 4