3. Calculate the ES,EF,LS, LF of the following. What is the critical path? How many days will the project take? 2A(12) 3B(14) 5B(8) 1A(8) 3A(7) 3C(7) 6A(5) 4A(5) 5A(10) a. What is the critical path? b. How many days will the project take? c. By how much can 5A be delayed without delaying 6A? d. What is the Total Float of 3C? 4. What would it do to the critical path if 3C had a lag time of 15 days? a. By how much can 3C be delayed without delaying 6A? b. What is the Total Float of 3C