Consider the project data provided below. a. Using the traditional CPM technique, determine the duration of the project and the critical path. b. Reduce activity durations by 50% and adjust the schedule to eliminate resource contention issues (do not insert buffers yet).| c. Indicate where the buffers should be inserted and determine the critical chain. d. What is the difference in the lengths of the critical path and the critical chain? Activity Predecessor(s) A B -- A Duration (days) 2 3 Resources John Sue C -- 3 Sue & John C 2 Al E D.J 3 Sue & Al F E.B 2 John G F 2 Ann H -- 4 Sue J H 2 Al