.. please do it fast and correct...

The software project consists of a list of tasks along with their estimated durations which are shown in the estimation table below. Task Dependency Duration A 4 B 3 . 8 D A 7 E B 9 F B 12 G D 2 H D 5 | F 6 a. Find the critical path? b. Define the S-curve concept, use a sketch to support your answer. NOTE: do not produce any gantt chart