P3. A project consists of activities listed in the following table. Activity Immediate predecessor Optimistic Time(Days) Mostly likely Time(Days) Pessimistic Time(Days) A 5 6 7 B 6 8 13 C 8 13 18 D A 11 14 20 E B 3 4 5 F C 7 9 14 G End E D,F,G 4 7 10 a) Please indicate the critical path, based on the expected activity duration (forward and backward pass analysis is not required). b) Suppose the project will get a reward of $100,000, if it is completed within 21 days. What is the expected reward